Iron & Steel

Welded razor wire mesh fence is a multi-functional, high-security mesh fencing made of straight-blade netting welded together, packaged into a roll form for transport. Welded Razor Wire Mesh fence is used in operations to pave the field after the installation of a blade barrier. This product can protect you and your property and ensure the safety of the protective barriers. Why is Welded Razor Wire Mesh Fencing so effective? Its design makes it incredibly challenging to climb over or cut through using standard tools. Beyond its intimidating security features, it also presents a surprisingly neat and orderly appearance. You'll find welded razor wire mesh implemented in critical locations worldwide, including airports, military bases, water substations, border fences, oil depots, and various industrial factories. Guide to Welded Razor Wire Mesh Fencing Application Key Advantages of Welded Razor Wire Mesh Fence: Exceptional Anti-Climb Properties: The dense mesh and sharp blades make unauthorized ascent virtually impossible. Highly Resistant to Cutting: Its high-strength steel core is engineered to withstand attempts to cut through it with conventional tools. Formidable Yet Neat Barrier: It provides powerful security while maintaining a clean, professional look. Low Theft Deterrent: With no practical secondary use or scrap value, it's less likely to be targeted by thieves. Relatively Simple Installation: While requiring a small team (typically three to four people), the installation process is straightforward for setting up the formed barrier. Anping Shengzi offesr a wide array of wire mesh fences, including options like chain link fencing, various razor wire configurations, and barbed wire, all designed for site security. Standard products are readily available, and can also provide custom solutions tailored to your specific project needs. How to Choose the Right Razor Wire Mesh Fence for Your Application? Selecting the appropriate razor wire mesh depends heavily on the specific security needs of your site. 1. Military Facilities and Border Protection: To deter illegal entry, smuggling, and human trafficking, and to effectively manage the movement of people and goods, thereby ensuring safety and order. Often Used: Concertina Razor Wire, Triple Concertina Razor Wire. 2. Prisons and Detention Centers: Essential for perimeter fences to prevent escapes and maintain security and order within the facility. Often Used: Concertina Razor Wire, Triple Concertina Razor Wire. 3. Government and Sensitive Facilities: Protecting embassies, military command centers, vital government departments, and critical infrastructure like nuclear power plants from terrorist attacks, sabotage, and unauthorized access. Often Used: Concertina Razor Wire, Triple Concertina Razor Wire. 4. Industrial and Commercial Facilities: Safeguarding factories, warehouses, power substations, and communication base stations from theft, vandalism, and unauthorized entry, thus protecting assets and materials. Often Used: Flat Wrap Razor Wire, Single Loop Spiral Razor Wire, Welded Razor Wire Mesh Fence, Concertina Razor Wire. 5. Farms and Ranches: Used to prevent livestock from escaping and to protect against wildlife intrusion, ensuring the safety of agricultural operations. Often Used: Straight Line Razor Wire. 6. Residential Areas: Installed atop walls of upscale residential communities or around private villas to enhance security and deter theft and unauthorized entry. Often Used: Flat Wrap Razor Wire, Single Loop Spiral Razor Wire, Concertina Razor Wire mesh fences.

Minimum Order: 1 bags

Ever stopped to think about the humble wire mesh? It’s everywhere! From the sturdy safety fence around a construction site to the delicate screen in your coffee maker, or even reinforcing the concrete beneath your feet. This incredibly versatile product, often made from durable metals like carbon or stainless steel, comes in a vast array of wire thicknesses (gauges) and opening sizes, making it indispensable across countless industries. But how does this seemingly simple grid of wires come into being? While it might look straightforward, the manufacturing process is a fascinating blend of precision engineering and ingenious mechanics. At its core, wire mesh is created in two primary forms: woven wire mesh and welded wire mesh. The Starting Point: From Rod to Wire No matter if it's destined to be woven or welded, the journey of every wire mesh sheet begins with the wire itself. The process kicks off with a metal rod, tube, or a thicker wire. This raw material is then meticulously extruded – pulled through a series of progressively smaller dies. Each pass through a die reduces the wire's diameter, stretching it out and making it thinner. Once the desired gauge is achieved, this newly formed wire is neatly wound onto large spools, ready for the next stage. If needed for specific mesh types, this spooled wire can later be fed through a straightening machine and precisely cut to the required lengths. This foundational step ensures the uniformity and quality essential for creating high-performance mesh. Woven Wire Mesh Weaving wire into mesh is similar to the process of weaving cloth. First, a wire loom is set up with long lengths of wire strung parallel through the weaving wire mesh machine like yarn warp threads. As the machine operates, wire harnesses lift alternate strands of the wire, allowing a shuttle to pass between strands perpendicularly, pulling along a filling wire, similar to a yarn weft. Then a batten presses the filling wire against the mesh and the harnesses lift the opposite strands so the shuttle can pass through in the opposite direction, producing an over-under weave. Other weave patterns can also be created. How Wire Mesh is Made? Welded Wire Mesh Another type of wire mesh, sometimes called welded wire fabric, can be made with an automatic wire mesh welding machine. This type of mesh consists of a series of parallel and perpendicular wires spaced at equal distances and welded at the intersections. To set up the machine, wire is strung through a row of automatic feeders that push the long parallel strands through the welder. To create the cross-wires, another feeder drops short perpendicular sections of wire down on top of the parallel wires. At the intersections between parallel and perpendicular wires, a row of electrical resistance weld heads then fuses the joints and the mesh is pulled ahead, while another perpendicular wire drops down. How Wire Mesh is Made? Contact OZI today for more information about wire mesh and machinery or to get a quote. E-mail: ivy@ozimachine.com WhatsApp: +8613932868088

Minimum Order: 1 bags

Shengzi is the supplier of perforated metal wire mesh in China, offering a wide range of perforation patterns, perforated metal screens and related products available in stock in our warehouses. Perforated metal is used across a variety of industries, including Food & Beverage, Chemicals, Mining, Construction, and Interior Design. The choice of metals, width, thickness, hole size, and shape is determined by the use to which the perforated metal will be put. What is perforated metal wire mesh? Perforated metal wire mesh is made from sheets of stainless steel, aluminium, mild steel, or galvanised mild steel. The sheets need to be flat and thin enough to be cut and perforated easily. The application of the final product will determine the type and size of the pattern that’s perforated into the metal sheet. The larger and more numerous the perforations, the less strength is left in the sheets. So applications where strength is a priority require smaller and fewer perforations. These requirements help you decide on the pattern for the perforations, which can be round, square, slotted, decorative, hexagon or custom designed. This type of perforated metal sheet metal can resemble a grid or wire mesh and the holes within the metal can be circular, square, rectangular, hexagonal or any other custom design. Perforated Metal Wire Mesh Benefits and Applications What is perforated metal wire mesh? Perforated metal wire mesh is made from sheets of stainless steel, aluminium, mild steel or galvanised mild steel. The sheets need to be flat and thin enough to be cut and perforated easily. The application of the final product will determine the type and size of the pattern that’s perforated into the metal sheet. The larger and more numerous the perforations, the less strength is left in the sheets. So applications where strength is a priority require smaller and fewer perforations. These requirements help you decide on the pattern for the perforations, which can be round, square, slotted, decorative, hexagon, or custom-designed. Benefits of using perforated metal wire mesh Depending on the type of metal sheeting used and the size and density of the holes, perforated metal can be used for a wide range of applications. That’s because this type of product has a number of interesting benefits for a variety of projects. 1. Aesthetic Advantages for Metal: The most important features are their ability to filter natural light, create a pleasant and satisfying appearance, and provide a space for air circulation. 2. Versatility of Perforated Metals Part of the versatility of perforated metals is their ability to be bent, shaped, and configured to meet the needs of an application and design. The many uses for perforated metals include sound suppression, infills for railings, barriers above and below railings, covers for columns, filtration for fluids and light, and coverings for windows. 3. Lightness: Perforated metal mesh is easier to work with and lighter than non-perforated equivalents and also places less stress on the structure of a building or interior fixture. 4. Strength: Despite the holes, perforated metal meshes are still very strong. Perforated Stainless Steel wire Mesh Application 1. Filtration Perforated stainless steel mesh is widely used in filtration systems to separate solid particles from liquids or gases. 2. Ventilation The perforations in the stainless steel mesh allow air to flow through, making it an excellent material for ventilation systems in buildings, vehicles, and industrial equipment. 3. Sound Absorption Perforated stainless steel mesh can be used in acoustic panels, ceilings, and walls to absorb sound waves and reduce noise levels. 4. Architectural Design Architecturally, perforated stainless steel mesh adds a modern and sophisticated touch to buildings and spaces. Another key advantage of using perforated stainless steel mesh in architectural design is its ability to control light and air flow. 5. Sun Control Perforated stainless steel mesh is an excellent material for sun control systems on windows and facades. 6. Security Perforated stainless steel mesh can be used as security screens on windows and doors to provide a barrier against intruders while maintaining ventilation. 7. Food Processing The corrosion resistance and hygiene properties of stainless steel make perforated stainless steel mesh suitable for use in food processing equipment, such as sieves, strainers, and filters. 8. Mechanical Applications Perforated stainless steel mesh is used in various mechanical applications, such as guards for machinery, grilles for vehicles, and covers for fans and ventilation systems. 9. Landscaping Perforated stainless steel mesh can be used for landscaping applications, such as fencing, trellises, and planters, to create aesthetically pleasing outdoor spaces. Perforated Metal Wire Mesh Benefits and Applications At Shengzi, we have significant experience in industrial processing in the Chemical, Pharmaceutical, Wastewater, and Mining industries. From small, high-precision perforations in thin materials to large holes in thick sheets utilised in the mining industry, we can provide you with the product you need. Welcome to contact us at any time. E-mail: ivy@sz-wiremesh.com Tel.: +86 182 3188 5665 WeChat: +86 139 3286 8088 WhatsApp: +8613932868088

Minimum Order: 1 bags

Tianjin Grand Victory Petroleum Equipment Co,.ltd. undertakes various special thread and gas seal thread processing: hanger, float collar, float shoe, guide shoe, fishing tools, pump discharge joint. Thread copper plating, material processing, necking down processing. Processable thread types include Hydril HYD-CS, HYD-PH6, HYD-511, TP-CQ, TP-EX, TP-FJ, FOX, BEAR, DLP, PC, CBS3, HSM-2, BGT2 and other interchangeable threads. We are a physical factory and welcome your inquiries and on-site inspections. Special Threads Special Thread Torque Shoulder Design To overcome the inadequacies of API connections to meet the needs of oil field exploitation, the BGT1 special thread oil tube short joint increases the torque shoulder, ensuring a wide range of allowable torque values and the ability to withstand harsh exploitation environments. The BGT2 special thread conversion joint has good super-torque resistance. The design of the torque shoulder needs to properly handle its positional relationship with the thread and sealing structure. With fast delivery and high quality, we help customers reduce costs and increase efficiency. Our vision is to build an international petroleum pipeline equipment enterprise through integrity and innovation. We welcome leaders and friends from all sectors to visit and cooperate for mutual development. 1. Since 2008, we have 17 years of experience, a registered capital of 11.18 million RMB, an 8,000 m² workshop, and an annual foreign trade turnover of 20 million RMB. 2. We have import and export rights, ISO 9001 quality system certification, API 5CT certification from the American Petroleum Institute, and multiple national patent certificates. 3. Our production workshop is equipped with several highprecision CNC lathes, thread rolling machines, hydraulic pressure machines, and complete inspection instruments. 4. Our products include J55, K55, N801/Q, L80, and P110 oil casings, couplings, short joints, and conversion joints. 5. We maintain a stock of high corrosionresistant oil casings, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr, with an annual inventory of around 2,000 tons. 6. We provide processing services for special sealing threads, including direct connection types, trapezoidal shapes, doublestep, and variable pitch threading, producing tens of thousands of special couplings each year.

Minimum Order: 1 bags

Sucker Rod Couplings, Anti-Wear Couplings, Spray-Welded Couplings, Small Bore Couplings Manufacturer: Tianjin Grand Victory Petroleum Equipment Co,.ltd. In the 7-2 standard, 13 types of thread forms are included for drill pipe threads: 1. Numeric (NC) 2. Regular (REG) 3. Full Hole (FH) - The above three have an internationally traceable gauge and calibration system. 4. Internal Flush (IF) - Has the same basic pitch diameter and all dimensions as the Numeric V-038R. 5. External Flush (EF) - Rarely used. 6. H90 - A rotating shoulder connection with a 90° thread form and large cut. 7. Open Hole (OH) - V-076 thread form. 8. GOST - Russian standard symbols that can be interchanged with ISO as shown in the table below. 9. Small Hole (SH) - Can be interchanged with NC26, NC38. 10. PAC Type - Small thread form ranging from 2 3/8 PAC to 3 1/2 PAC with a taper of 1:8. 11. Extra Hole (XH) 12. Double Stream Line (DSL) 13. Wide Open (WO) The SY standard stipulates: 1 Internal Flush, 2 Full Hole, 3 Regular, which are IF, FH, REG respectively. The commonly used ones are 410, 411, 520, 521, 630, 631, where the last digit 1 indicates male thread and 0 indicates female thread. With fast delivery and high quality, we help customers reduce costs and increase efficiency. Our vision is to build an international petroleum pipeline equipment enterprise through integrity and innovation. We welcome leaders and friends from all sectors to visit and cooperate for mutual development. 1. Since 2008, we have 17 years of experience, a registered capital of 11.18 million RMB, an 8,000 m² workshop, and an annual foreign trade turnover of 20 million RMB. 2. We have import and export rights, ISO 9001 quality system certification, API 5CT certification from the American Petroleum Institute, and multiple national patent certificates. 3. Our production workshop is equipped with several highprecision CNC lathes, thread rolling machines, hydraulic pressure machines, and complete inspection instruments. 4. Our products include J55, K55, N801/Q, L80, and P110 oil casings, couplings, short joints, and conversion joints. 5. We maintain a stock of high corrosionresistant oil casings, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr, with an annual inventory of around 2,000 tons. 6. We provide processing services for special sealing threads, including direct connection types, trapezoidal shapes, doublestep, and variable pitch threading, producing tens of thousands of special couplings each year.

Minimum Order: 1 bags

Oil and Casing Sales Glossary of Oil Casing Terms - API: It is the abbreviation for the American Petroleum Institute. - OCTG: It is the abbreviation for Oil Country Tubular Goods, which includes finished oil and casing pipes, drill pipes, drill collars, couplings, and nipples. - Oil Tube: A pipe used in oil wells for oil and gas production, water injection, and acidizing and fracturing. - Casing: A pipe inserted into a drilled wellbore from the surface to act as a lining to prevent the wellbore from collapsing. - Drill Pipe: A pipe used for drilling wellbores. - Line Pipe: A pipe used for the transportation of oil and gas. - Coupling: A cylindrical body with internal threads used to connect two threaded pipes. With fast delivery and high quality, we help customers reduce costs and increase efficiency. Our vision is to build an international petroleum pipeline equipment enterprise through integrity and innovation. We welcome leaders and friends from all sectors to visit and cooperate for mutual development. 1. Since 2008, we have 17 years of experience, a registered capital of 11.18 million RMB, an 8,000 m² workshop, and an annual foreign trade turnover of 20 million RMB. 2. We have import and export rights, ISO 9001 quality system certification, API 5CT certification from the American Petroleum Institute, and multiple national patent certificates. 3. Our production workshop is equipped with several highprecision CNC lathes, thread rolling machines, hydraulic pressure machines, and complete inspection instruments. 4. Our products include J55, K55, N801/Q, L80, and P110 oil casings, couplings, short joints, and conversion joints. 5. We maintain a stock of high corrosionresistant oil casings, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr, with an annual inventory of around 2,000 tons. 6. We provide processing services for special sealing threads, including direct connection types, trapezoidal shapes, doublestep, and variable pitch threading, producing tens of thousands of special couplings each year.

Minimum Order: 1 bags

Casing Couplings OTTM Couplings, Trapezoidal Thread Couplings Special Thread Couplings, Zinc Diffusion Couplings, Corrosion-Resistant Couplings, Eight-Thread Couplings, Ultra-Thin Couplings, Large Chamfer Couplings, Reverse Thread Couplings, Left-Hand Thread Couplings, Copper-Plated Couplings, Phosphated Couplings Tianjin Grand Victory Petroleum Equipment Co,.ltd. is an integrated enterprise for production processing, sales, technology research and development, and spot warehousing. Located in Jinghai District, Tianjin, China, it was founded in 2008. For the internal thread processing of 2-7/8 NUE non-upset oil tube couplings, the dimensions are as follows: Coupling outer diameter 88.9 mm, minimum length 130.18 mm, bore diameter 74.63 mm, bore depth 7.94 mm, load-bearing face width 4.76 mm, threads per inch 10, pitch diameter at hand-tightening face 71.457 mm, coupling end to hand-tightening face length 11.33 mm, thread taper 1:16, thread height 1.412 mm. The tool selected is a carbide comb cutter with 10 threads per inch. Product Name: Oil Tube Coupling API 5CT TUBING COUPLING Oil Tube Coupling Standards: API SPEC 5CT, API SPEC 5B, ISO 119 With fast delivery and high quality, we help customers reduce costs and increase efficiency. Our vision is to build an international petroleum pipeline equipment enterprise through integrity and innovation. We welcome leaders and friends from all sectors to visit and cooperate for mutual development. 1. Since 2008, we have 17 years of experience, a registered capital of 11.18 million RMB, an 8,000 m² workshop, and an annual foreign trade turnover of 20 million RMB. 2. We have import and export rights, ISO 9001 quality system certification, API 5CT certification from the American Petroleum Institute, and multiple national patent certificates. 3. Our production workshop is equipped with several highprecision CNC lathes, thread rolling machines, hydraulic pressure machines, and complete inspection instruments. 4. Our products include J55, K55, N801/Q, L80, and P110 oil casings, couplings, short joints, and conversion joints. 5. We maintain a stock of high corrosionresistant oil casings, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr, with an annual inventory of around 2,000 tons. 6. We provide processing services for special sealing threads, including direct connection types, trapezoidal shapes, doublestep, and variable pitch threading, producing tens of thousands of special couplings each year.

Minimum Order: 1 bags

Spot Sales of L80-13Cr Oil Tubes and Casing L80-13Cr is a special type of alloy steel with excellent resistance to chemical corrosion. It is mainly used to prevent various forms of corrosion, including oxidation, electrochemical corrosion, and chemical erosion. In many cases, it can withstand a variety of harmful acids and alkalis. It has good wear resistance and hardness, good cold and hot working properties, relatively low cost, and a long service life, making it popular in many industries. Moreover, this material can be used in any environment where excellent corrosion resistance is required, such as chemical plants, power plants, and water treatment stations. Because of its excellent properties, the value of this material is constantly increasing. In summary, L75-ISCR is a very practical corrosion-resistant product. China has been engaged in research and development of 13Cr martensitic stainless steel oil and casing tubes resistant to CO2 and H2S corrosion for several years. Currently, Baosteel and Tianjin Pipe have developed a series of 13Cr and super 13Cr products, which have been applied in major oil fields such as Tarim, Xinjiang, Xi'an Changqing, and Shengli, and have also been exported to the United States, Canada, and other countries. At present, 13Cr martensitic stainless steel has been basically domesticated in China and has partially replaced imported products. Due to the higher alloy element content and manufacturing costs of duplex stainless steel and nickel- based alloys, Chinese steel pipe enterprises can, based on their existing experience and technological accumulation in ordinary 13Cr, continuously improve smelting, pipe rolling, and heat treatment processes through laboratory alloying research to develop high-chromium martensitic stainless steel oil and casing tubes with excellent comprehensive properties. With fast delivery and high quality, we help customers reduce costs and increase efficiency. Our vision is to build an international petroleum pipeline equipment enterprise through integrity and innovation. We welcome leaders and friends from all sectors to visit and cooperate for mutual development. 1. Since 2008, we have 17 years of experience, a registered capital of 11.18 million RMB, an 8,000 m² workshop, and an annual foreign trade turnover of 20 million RMB. 2. We have import and export rights, ISO 9001 quality system certification, API 5CT certification from the American Petroleum Institute, and multiple national patent certificates. 3. Our production workshop is equipped with several highprecision CNC lathes, thread rolling machines, hydraulic pressure machines, and complete inspection instruments. 4. Our products include J55, K55, N801/Q, L80, and P110 oil casings, couplings, short joints, and conversion joints. 5. We maintain a stock of high corrosionresistant oil casings, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr, with an annual inventory of around 2,000 tons. 6. We provide processing services for special sealing threads, including direct connection types, trapezoidal shapes, doublestep, and variable pitch threading, producing tens of thousands of special couplings each year.

Minimum Order: 1 bags

Oil Casing: What are 13Cr Pipe and Super 13Cr Material? 13Cr Oil Casing 114.3mm Oil casing is an essential equipment in oil and gas extraction. It not only provides structural support for oil wells but also protects the wellbore from corrosion and collapse. Among various materials, 13Cr pipe and Super 13Cr material are highly regarded for their excellent performance. 13Cr pipe is a high-chromium alloy steel with a chromium content of approximately 13%. This material endows the casing with outstanding corrosion resistance, particularly in acidic environments containing carbon dioxide (CO₂) and hydrogen sulfide (H₂S). The addition of chromium enhances the passivation ability of the steel, forming a dense chromium oxide film that effectively blocks the invasion of corrosive media. Additionally, 13Cr pipe possesses high strength and toughness, allowing it to withstand complex downhole conditions. Company Description Tianjin Grand Victory Petroleum Equipment Co., Ltd. is a comprehensive enterprise for production, processing, sales, technology research and development, and spot storage. Located in Jinghai District, Tianjin, China, it was founded in 2008 with a registered capital of 11.18 million yuan. It has import and export rights, ISO9001 quality system certification, American Petroleum Institute API 5CT certification and a number of national patent certificates. The production workshop is equipped with several types of equipment such as highprecision CNC lathes, thread tightening machines, hydraulic presses, etc., and complete inspection and measurement instruments. Products include J55, K55, N801/Q, L80, P110 and other oil casing, couplings, Pup Joint、Xover （Cross over）; 80S, 90S, 110S, L801Cr/3Cr/13Cr and other highcorrosion resistant oil casing spot storage, with a longterm reserve of about 2,000 tons. At the same time, it undertakes the processing and copper plating of special sealing threads such as direct connection, wedge shape, double step, variable pitch, etc. for oil well pipes and petroleum accessories, with fast delivery and excellent quality, reducing costs and increasing efficiency for customers. Our vision: to build an international oil pipeline equipment enterprise with integrity and innovation. We welcome leaders and friends from all walks of life to visit us for cooperation and common development. Company’s Unique Advantages: 1. Seamless Integration of Production and Sales: Our scientific management allows for flexible production scheduling. Since we focus on doing one thing exceptionally well, our production is entirely aligned with order timelines, making it easier to implement the planned arrangements. 2. Comprehensive Range of Special Couplings at Lower Prices: We possess multiple coupling design authorizations and have a wealth of experienced workers, enabling us to produce couplings that meet various user requirements at a lower cost. This includes designs such as VAM, HYD511, OTTM, CBS3, 3SB, HSM2, and more. 3. Industry-Wide Recognition: Over the past 17 years, our integrity, quality, and advantages have earned us an excellent reputation in the industry, which can be verified at any time. Contact:Bone Email:Bone@dlpoctg.com Whatsapp/WeChat /Tel: +86-18222899636

Minimum Order: 1 bags

Advantages/Features: The company has import and export rights, ISO 9001 quality system certification, API 5CT certification from the American Petroleum Institute, and multiple national patent certificates. Our production workshop for oil pipes and various materials, including P110S STPCQ oil pipes, is equipped with highprecision CNC lathes, thread rolling machines, hydraulic pressure machines, and a complete set of inspection instruments. Our product range includes oil casing and couplings covering J55, K55, N801/Q, L80, and P110, as well as short joints and conversion joints. We maintain an inventory of approximately 2,000 tons of high corrosionresistant oil casing, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr. We also undertake special sealing thread processing for oil well pipes and petroleum fittings, including direct connection types, trapezoidal shapes, doublestep, and variable pitch threading, as well as copper plating services. Our products ensure fast delivery and high quality, helping customers reduce costs and increase efficiency. Our vision is to build an international petroleum pipeline equipment enterprise through integrity and innovation. We welcome leaders and friends from all sectors to visit and cooperate for mutual development. 1. Established in 2008, we have 17 years of experience, a registered capital of 11.18 million RMB, an 8,000 m² workshop, and an annual foreign trade turnover of 20 million RMB. 2. Our oil pipes and couplings have import and export rights, ISO 9001 quality system certification, API 5CT certification from the American Petroleum Institute, and multiple national patent certificates. 3. Our production workshop is equipped with highprecision CNC lathes, thread rolling machines, hydraulic pressure machines, and a complete set of inspection instruments. 4. Our products include J55, K55, N801/Q, L80, and P110 oil casings, couplings, short joints, and conversion joints. 5. We maintain a stock of high corrosionresistant oil casings, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr, with an annual inventory of around 2,000 tons. 6. We provide processing services for special sealing threads, including direct connection types, trapezoidal shapes, doublestep, and variable pitch threading, producing tens of thousands of special couplings each year. Oil Pipe Specifications: 1.05'', 1.315'', 1.66'', 1.9'', 23/8'', 27/8'', 31/2'', 4'', 41/2''. Steel Grades: J55, K55, N801, N80Q, L801, P110, L803CR, 9CR, 13CR, P11013CR (Super 13CR), 28CR, etc. Coupling Types: NU (Flat Coupling), EU (Thickened Coupling). Production Process: Hot rolling. Product Use: Used for drilling oil wells. Packaging Method: Steel straps/steel frames, or according to customer requirements. Annual Supply Volume: 300,000 tons. We can also process various specifications of short joints according to customer requirements, including EU thickened, double male short joints, casing short joints, highpressure adjustment short joints, conversion joints/XOver, couplings, and thread protectors. Processing forms include PIN X PIN (double male short joint) and PIN X BOX (one male and one female finished short joint), with processable lengths ranging from 2 feet (ft) to 20 feet (ft); end processing forms can be EUE (thickened) or NUE (not thickened). Our company strictly implements API Spec 5CT standards and the ISO 9001 quality management system. We have manufacturing equipment, including CNC lathes, CNC coupling machines, automatic flaw detectors, CNC hydrostatic pressure testing machines, automatic marking machines, automatic painting and labeling machines, 16ton cranes, ultrasonic thickness gauges, and automatic feeding systems for production and testing. While meeting domestic market demands, we provide highquality products and services to numerous enterprises and have established longterm supplier relationships with countries and regions such as Saudi Arabia, the United Arab Emirates, Sudan, Kuwait, and Turkey. Corporate Purpose: Integrity, Pragmatism, Mutual Benefit, WinWin. Management Philosophy: Based on humane management, we implement modern management throughout all departments and processes of the enterprise; marketoriented, adhering to integrity and legality, and achieving winwin situations with customers. We always adhere to the principle of prioritizing people before tasks, insisting on equipment and scientific management as the foundation, and providing customers with highquality products. With a complete marketing network and service system, we ensure satisfactory service for our customers. We look forward to working together to create brilliance!

Minimum Order: 1 bags

Copper Plating Services: We produce tens of thousands of special couplings annually. Oilfield Connection Oil Pipe Reducers: 35CrMo. We can process various types of oil pipe couplings: Specifications: 1.941/2 Thread Types: EUE (thickened), NUE (not thickened). Short Drill Pipe Conversion Joints: Oilfield connection oil pipe reducers 35CrMo, with specifications of 1.941/2 and various thread types. Variable Coupling Conversion Joints: Double male (PIN X PIN), one male and one female (PIN X BOX). Casing Couplings: Specifications: 41/2 to 20 inches. Thread Types: STC (Short Round Coupling), LTC (Long Round Coupling), BTC (Buttress Coupling). We can also customize various couplings and joints according to drawings. Standards: API5CT, API5L, API5B. Oil Pipe Specifications: 23/8” to 41/2”, with end processing types NUE and EUE. We can also process various sizes of oil casing short joints, double male short joints, reducer short joints, and conversion joints according to orders, ranging from 2FT to 20FT. Oil Casing Specifications: 41/2” to 20”, with thread types STC, LTC, BTC, etc. Materials: H40, J55, K55, N80, L80, C90, C95, T95, P110, Q125, 13Cr80, 13Cr110, Super 13Cr, etc. We always adhere to the principle of prioritizing people before tasks, insisting on equipment and scientific management as the foundation to provide customers with highquality products. With a complete marketing network and service system, we ensure satisfactory service for our customers. We look forward to working together to create brilliance!

Minimum Order: 1 bags

Advantages/Features: API 5CT certification from the American Petroleum Institute, and multiple national patent certificates. Our production workshop is equipped with several highprecision CNC lathes, thread rolling machines, hydraulic pressure machines, and complete inspection instruments. Our products include oil casings, couplings, short joints, and conversion joints, covering specifications such as J55, K55, N801/Q, L80, and P110. We maintain an inventory of approximately 2,000 tons of high corrosionresistant oil casings, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr, stocked yearround. We also undertake special sealing thread processing for oil well pipes and petroleum fittings, including direct connection types, trapezoidal shapes, doublestep, and variable pitch threading, as well as copper plating services. With fast delivery and high quality, we help customers reduce costs and increase efficiency. Our vision is to build an international petroleum pipeline equipment enterprise through integrity and innovation. We welcome leaders and friends from all sectors to visit and cooperate for mutual development. 1. Since 2008, we have 17 years of experience, a registered capital of 11.18 million RMB, an 8,000 m² workshop, and an annual foreign trade turnover of 20 million RMB. 2. We have import and export rights, ISO 9001 quality system certification, API 5CT certification from the American Petroleum Institute, and multiple national patent certificates. 3. Our production workshop is equipped with several highprecision CNC lathes, thread rolling machines, hydraulic pressure machines, and complete inspection instruments. 4. Our products include J55, K55, N801/Q, L80, and P110 oil casings, couplings, short joints, and conversion joints. 5. We maintain a stock of high corrosionresistant oil casings, including 80S, 90S, 110S, and L801Cr/3Cr/13Cr, with an annual inventory of around 2,000 tons. 6. We provide processing services for special sealing threads, including direct connection types, trapezoidal shapes, doublestep, and variable pitch threading, producing tens of thousands of special couplings each year. Oil Pipe Coupling Standards N80/L80 oil pipe couplings, 27/8” couplings in stock. Oil pipe coupling standards: API SPEC 5CT, API SPEC 5B, and the 11th edition of the coupling standard, BTC. Material of Oil Pipe Couplings: H40, J55, N801, N80Q, L80, P110. Specifications of Oil Pipe Couplings: Outer diameter 55.88~141.3 mm (1.9"~4 1/2"). Thread Types: Nonthickened (NUE), thickened (EUE), special clearance (SCC). Purpose of Oil Pipe Couplings: Used to connect two threaded oil pipes and has an internal threaded cylindrical body. Specifications: 4 1/2” 20” Standards: API 5CT/5B, the 11th edition of the coupling standard, BTC. Manufacturers of Oil Pipe Couplings, Extended Oil Pipe Couplings, Special Clearance Couplings. Casing Couplings: Processing thread types STC (Short Round Coupling), LTC (Long Round Coupling), BTC (Buttress Coupling). Oil Pipe Couplings: 23/8'', 27/8'', 31/2'', 41/2''; Thread types: NUE, EUE. Casing Couplings: 41/2'', 51/2'', 65/8'', 7'', 95/8'', 103/4'', 133/8'', 20''; Thread types: STC, LTC, BTC. 1. We provide coupling blanks (according to API SPEC 5CT (9th edition) requirements) with quality specifications and related certifications to ensure that the coupling blanks are produced according to API requirements. 2. Thread inspection of casing couplings according to the 11th edition of the coupling standard, BTC. 3. Thread processing for couplings, including tight distance, tooth height, pitch, taper, and other parameters, is inspected according to API Spec 5CT (9th edition) and API Spec 5B (15th edition); all dimensional and thread parameter inspections must be well documented. 4. The surface of the threads must be smooth and free of significant tearing, tool marks, abrasion marks, shoulders, or any other defects that disrupt the continuity of the threads; internal and external chamfers and starting threads must be free of burrs and other flaws. 5. The critical thickness of the coupling should be specified. 6. Internal and external edges of the coupling should be rounded, with R≥0.5 mm, and the edges on the bearing surface of the coupling should be chamfered. 7. Thread flaw detection. We sincerely look forward to your inquiries! We are dedicated to serving you!

Minimum Order: 1 bags

Product Information: Oil Casing and Tubing Short Joints 7. Industry Standards Oil casing and tubing short joints must comply with various industry standards to ensure safety and reliability. Key standards include: - API Spec 5CT: Governs the specifications for casing and tubing used in oil and gas wells. - API Spec 5B: Covers the requirements for the threads used in casing and tubing. - ISO 11960: Specifies the requirements for steel pipes for use as casing or tubing for wells. - NACE MR0175/ISO 15156: Addresses materials for use in H2S-containing environments. 8. Conclusion Oil casing and tubing short joints play a vital role in the oil and gas industry, providing essential connections in drilling and production operations. Their specifications, materials, and manufacturing processes are designed to meet the rigorous demands of the industry, ensuring reliability and safety. By facilitating flexibility and cost savings, short joints are indispensable components that contribute to the efficiency and effectiveness of oil and gas extraction. As the industry continues to evolve, the importance of high-quality short joints will remain a critical factor in successful drilling operations. Copper Plating Services: We produce tens of thousands of special couplings annually. Oilfield Connection Oil Pipe Reducers: 35CrMo. We can process various types of oil pipe couplings: Specifications: 1.941/2 Thread Types: EUE (thickened), NUE (not thickened). Short Drill Pipe Conversion Joints: Oilfield connection oil pipe reducers 35CrMo, with specifications of 1.941/2 and various thread types. Variable Coupling Conversion Joints: Double male (PIN X PIN), one male and one female (PIN X BOX). Casing Couplings: Specifications: 41/2 to 20 inches. Thread Types: STC (Short Round Coupling), LTC (Long Round Coupling), BTC (Buttress Coupling). We can also customize various couplings and joints according to drawings. Standards: API5CT, API5L, API5B. Oil Pipe Specifications: 23/8” to 41/2”, with end processing types NUE and EUE. We can also process various sizes of oil casing short joints, double male short joints, reducer short joints, and conversion joints according to orders, ranging from 2FT to 20FT. Oil Casing Specifications: 41/2” to 20”, with thread types STC, LTC, BTC, etc. Materials: H40, J55, K55, N80, L80, C90, C95, T95, P110, Q125, 13Cr80, 13Cr110, Super 13Cr, etc. We always adhere to the principle of prioritizing people before tasks, insisting on equipment and scientific management as the foundation to provide customers with highquality products. With a complete marketing network and service system, we ensure satisfactory service for our customers. We look forward to working together to create brilliance!

Minimum Order: 1 bags

1. HC110 Oil Casing Q125, 10th Edition, Oil Well Tubing, Special-Purpose Casing, C90, 90SS, L80-1 Oil casing is an essential type of pipe in the oil and natural gas drilling industry. The HC110 Oil Casing Q125, 10th Edition, as a high-end product, has become a leader in the field of special-purpose oil well casing due to its outstanding performance and wide range of applications. Product Features: - The HC110 Oil Casing Q125 is manufactured using advanced processes and complies with the API 5CT standard. It features high strength, high toughness, and corrosion resistance. - The chemical composition is strictly proportioned, with carbon content ≤0.35%, manganese content ≤1.35%, nickel content ≤0.99%, chromium content ≤1.50%, and molybdenum content ≤0.85%. These alloy elements ensure excellent performance in harsh oil drilling environments. - In terms of mechanical properties, the yield strength ranges from 862 to 1034 MPa, the tensile strength is ≥931 MPa, and the impact toughness is ≥60 J in the transverse direction and ≥100 J in the longitudinal direction at 0°C, enabling it to withstand complex stress conditions. Application Fields: - This product is widely used in the oil and natural gas drilling industry as a casing for oil wells. It can withstand complex underground pressures and geological conditions, ensuring the safety and stability of oil wells. Additionally, it can be used to manufacture tubing, casing couplings, and other petroleum drilling tools and equipment, contributing to efficient extraction operations. Product Advantages: - The manufacturing process of the HC110 Oil Casing Q125, 10th Edition, strictly controls quality. From raw material procurement to finished product inspection, every step is rigorously tested to ensure reliability and stability. Moreover, we offer customized services to meet the individual needs of different customers. Casing Connection Types: 1. LTC (Long Thread Connector): Long round thread. Although LTC threads are similar in shape to STC threads and can connect, they are generally not recommended for connection due to differences in the torque they can withstand. 2. STC (Stub (Short) Thread Connector): Short round thread. STC and LTC threads are both API standard threads, differing only in thread length. The longer one is LTC, and the shorter one is STC. For pipes with an outer diameter of 4-1/2", a thread length exceeding 3 inches is typically LTC, while less than 3 inches is STC. 3. BTC (Buttress Thread Coupling): Buttress thread. Available Casing Sizes: 4-1/2'', 5'', 5-1/2'', 6-5/8'', 7'', 7-5/8'', 8-5/8'', 9-5/8'', 10-3/4'', 11-3/4'', 13-3/8'', 16'', 18-5/8'', 20''. Steel Grades: J55, K55, N80-1, N80Q, L80-1, P110, L80-3CR, 9CR, 13CR, P110-13CR (Super 13CR), 28CR. Connection Types: Short round thread (STC), long round thread (LTC), buttress thread (BTC), and various high gas-tightness special threads. Production Process: Hot rolling. Product Usage: For oil well drilling. Packaging: Steel bands/steel frames, or as per customer requirements. Annual Supply Capacity: 300,000 tons. Quality Standards: We strictly adhere to the API Spec 5CT standard and the ISO 9001 international quality management system. We possess manufacturing equipment, including CNC lathes, CNC threaders, automatic flaw detectors, CNC hydrostatic testers, automatic marking machines, automatic painting and marking machines, 16-ton cranes, ultrasonic thickness gauges, and automatic feeding systems. Market Reach: While meeting domestic market demands, we serve numerous enterprises with high-quality products and have established long-term supplier relationships with countries and regions such as Saudi Arabia, the UAE, Sudan, Kuwait, and Turkey. Corporate Philosophy: Mission: Integrity, Pragmatism, Mutual Benefit, Win-Win. Management Philosophy: Based on humanized management and modern management practices, we are market-oriented, law-abiding, and committed to win-win cooperation with customers. Principle: We always adhere to the principle of "being a good person first, then doing good work." We insist on using advanced equipment and scientific management to provide high-quality products and a comprehensive marketing and service network to ensure customer satisfaction. 2. Blowdown Tubing, Blowdown Pipeline, Small Tubing for Gas Wells, 42.16mm Tubing, Thickened Tubing, Large-End Short Couplings, Rotary Short Couplings In the process of oil and natural gas extraction, blowdown tubing and blowdown pipelines are key equipment to ensure operational safety and efficiency. Our blowdown tubing and pipeline products, specifically designed for gas wells, are manufactured from high-quality materials and feature high strength, corrosion resistance, and excellent sealing properties. Contact:Bone Email:Bone@dlpoctg. , com Whatsapp/WeChat /Tel: +86-18222899636

Minimum Order: 1 bags