Offers to Sell

1.High-tech laser machine, combine fiber and CO2 together. 2. More powerful functions and wider processing range.  Capable of cutting both non-metal and metal, able to cut thick metal sheets, acrylic and wood, etc. 3. Factory standardized production, reasonable price. 4. Widely used, satisfying the processing demands of diverse industries. Technical parameters Model                                                        SL-1313CF Laser type  Fiber+ CO2  Laser power  1000W / 1500W / 2000W + 300W(co2 laser tube, optional: 150W / 180W / 220W) Working area  1300*1300mm Fiber Cutting speed  0-60m/min CO2 cutting speed 0-30m/min Transmission  gear rack  Driving system  Servo motors  Cooling mode  Industrial circulation water chiller  Working voltage 220V 2 phase / 380V 3 phase Why Choose Sieme Mixed Laser Cutting Machine? Versatility Mixed laser cutting machine combines CO2 and fiber laser technology, capable of cutting a variety of materials, such as metal and non-metal materials, providing a wide range of application options. High Efficiency Our equipment can quickly switch when cutting different materials, improving production efficiency and reducing equipment switching time. Cost-effectiveness A mixed laser cutting machine can complete multiple tasks, reducing the cost of purchasing multiple devices, suitable for small and medium-sized enterprises and diversified production needs. High Precision Mixed laser cutting machine can achieve high-precision cutting and ensure the quality of finished products, especially suitable for industries that require fine processing. Sieme CNC Equipment ensures the quality of the equipment and provides you with perfect after-sales service to ensure worry-free production.

GS3015 is equipped with fiber laser device,2 exchangeable working table,power from 1kw to 6kw and specially used for cutting 0.4-25mm steel plate.It is a kind of metal sheet cutting machine which has passed the CE from TUV,FDA,ETL. 6KW Metal Laser Cutting Machine Features: 1.It adopts advanced branded optical fiber laser core technology,good optical mode,stable performance. 2. High efficiency of photoelectric conversion,twice of domestic laser source. 3. Low heat of laser source,only needing 5P water cooling machine,saving electricity. 4. The gantry flying light path design,light operation,saving about 40% electricity than competitors. 5. Achieve a perfect cutting effect by only blowing compressed air during processing,which can largely reduce costs of auxiliary gas such as Oxygen.Nitrogen about thousand dollars, 6. Equipped with centralized lubrication system to make the machine run more stable. 7.Axial positioning accuracy of workbench: ≤±0.03㎜/m 8.Repetitive positioning accuracy of workbench: ≤±0.03㎜/m   Technical Parameter of Laser Metal Cutting Machine with exchange table  Machine model GS3015 GS4020 GS6025 Laser power 1000W 2000W 3000W 4000W 6000W 8000W(Optional) Dimensions 8150*2825*2125mm 10750*3350*2310mm 15000*4018*2755mm Working area 3000mm*1500mm 4000mm*2000mm 6000mm*2500mm Repeat positioning accuracy ±0.02mm Maximum speed 180m/min Max. acceleration 1.5G Voltage and frequency 380V 50Hz/60HZ Advantages of Laser Metal Cutting Machine High-precision and high-quality cutting Laser metal cutting machine can achieve high-precision cutting with smooth cuts without further processing. Suitable for precision parts manufacturing. High-speed cutting Laser cutting is fast and can significantly improve production efficiency, especially suitable for mass production and rapid prototyping. Multi-material compatibility Laser metal cutting machine is suitable for a variety of metal materials, such as stainless steel, aluminum, copper, brass, etc., to meet different manufacturing needs. Strong flexibility Sieme laser cutting machine can easily achieve complex graphics and shape cutting, suitable for diversified production requirements.

The smoke produced by cutting can be filtrated inside, it's non-polluting and environmentally friendly.  High Power Fiber Laser source   GH series fiber laser cutting machine used to thick sheet cutting, Equipted with power from 8000Watt to 20KW. There are the hotest sale fiber source for your reference.Such as IPG,Raycus,Max. The photoelectric conversion rate is high, saving the use cost. The light path is simple and maintenance-free.  The mechanical design is simple and it is easy to integrate with the robot. Light weight and small footprint 2.BLT 6 Series smart cutters are especially developed for ultra-high power laser equipment (max of 40kw). Brand new beam path design and optimized optical lens bring you great performance with stable cutting, simple installation and setup, and double dust prevention. The Smart Piercing and Auto Recut features, meeting the highly demanding standard of air as well as N2 high-power cutting, considerably improve efficiency and yield. 3. Machine bed  The Segmented Rectangular Tube Bed The internal structure of the bed adopts the aircraft metal honeycomb structure, which is welded by a number of rectangular tubes. Stiffeners are arranged inside the tubes to increase the strength and tensile strength of the bed.  It also increases the resistance and stability of the guide rail resulting in to effectively avoid the deformation of the bed. High strength, stability, tensile strength, ensuring 20 years of use without distortion; Thickness of rectangular pipe wall is 10mm and the bed alone weights 4500 kg. Cast aluminum beams: 1. The design of the cast aluminum process, after artificial aging and solid solution treatment and thick finishing,  is a measure of hardness that can reach the T6 standard, and has the characteristics of corrosion resistance,  oxidation resistance, toughness and ductility. 2. Light weight, convenient for high-speed movement during processing.  At the same time, it has the characteristics of high speed and flexibility.  Under the condition that accuracy is met, the processing speed can be greatly improved Applicable Industry: This machin is widely used in various industries such as advertising decoration,kitchen ware,engineering machinery,steel and iron,automobile,metal plate chassis,air-conditioner manufacturing,metal plate cutting,etc.   Applicable Materials: Professional used to cut thin sheet metal, stainless steel, carbon steel, aluminum alloy plate, galvanized sheet, electrolytic plate, silicon steel, titanium alloy, aluminium zinc plate and other metal

BHJG250 pipe bucking machine unit has six parts: driving clamp system、backup clamp system、hydraulic system、pneumatic system、manipulating platform and frame base. The Driving clamp is driven by hydraulic motor and it is used to screw on (screw off) . The t can be positive and negative direction of rotation to meet the requirements of make-up or break-out. Torque up to 68kN. M. The Buckup clamp is driven by pneumatic cylinder and it is used to fix the pipe. the screw on torque value is output by tension sensor and controlled by PLC system. The Max. drift diameter of the bucking machine is 250mm, which can finish the make-up or break-out of 2 7/8″～8 5/8″ casing, tubing and drill pipe. Product Application  Pipe bucking machines produced by our company is special equipment used to screw on and off the casing, tubing and drill pipe coupling.

QK1330 CNC Pipe Threading Machine is an efficient, high-precision two coordinate continuous control CNC machine independently researched and developed by our company according to the development needs of petroleum industry. The machine has high power, good rigidity, can cut straight, oblique, arc, male, inch thread, and has a variety of functions such as tip radius compensation. This machine highlights the characteristics of high rigidity and high power, and is a high precision and high efficiency pipe thread machining machine. With the latest innovative design, the pipe can be completed by radial and axial feed of the tool. A variety of applications, such as pipe beveling, facing, edging, deburring, tapering and threading, can be performed on the inside and outside of pipes without changing tools for different angles or shapes.   Product Application 1. The CNC Pipe Threading Equipment can be used for rough machining and finishing machining of mechanical parts, especially suitable for petroleum, mining, machinery and other industries, for high-efficiency, high-volume, high- precision processing of rotary parts. 2. The machine can process steel, cast iron and non-ferrous metals and other materials. 3. The machine is also suitable for small and medium-sized batches of shaft, plate parts of the internal and external cylindrical surface, cone, thread, drilling, reaming and curve turning parts. The machining accuracy is up to IT7 and the surface roughness of the machined workpiece is up to Ra1.6.

MPP pipe jacking, also same name is MPP high voltage power cable protection pipe, is divided into excavation and trenchless. It is made of modified polypropylene as main raw material and added with necessary additives and extruded to form pipes. Advantage MPP pipe jacking has the characteristics of high temperature resistance, external pressure resistance, excellent electrical insulation, light and smooth pipe, small friction force, and hot butt welding.It is suitable for over 10kV High voltage transmission line cable pipe material.The long-term usage temperature is-5~70℃.The common specifications of MPP power pipes are 110mm~250mm diameter, divided into common and reinforced type.The ordinary type is suitable for excavation and construction and trenchless through construction with less than 4M buried depth.The reinforced type is suitable for Trenchless crossing construction with buried depth greater than 4M.

Casing thread protectors are caps protect Casing threads and seals during loading, unloading, transportation and storage Advantage The Casing Thread Protectors has clear thread. Nice and smooth surface. We can produce premium Casing thread protector and customize. The main function The Casing Thread Protectors are designed to provide protection to the connections during handing transportation, and to prevent dust and debris entering the threads and tube body. The threads are made in such a manner that they cover all the threads of the connections and prevent the Casing thread protector from stripping or vibrating loose. How to use? In the process of transporting Casing in the oil field, the worker screws the Casing thread protector on Casing both ends according to the corresponding thread type and size.

Drill Pipe Protectors (DPP) are reinforced molded rubber pads that fit around the outside diameter of the drill pipe to provide a one-time downhole wear surface between the inside diameter of the casing and the drill string. DPP protects the casing ID from wear caused by the drill string. The most common applications are deviated wells, deep holes, fast rotation, high torque and offshore applications. DPP Main features Provides a sacrificial wear surface. Hinged canister for easy installation. Top and bottom tapered shoulders. Available in grooved and smooth designs. NBR and XNBR compounds available Application inclined shaft deep hole Drill holes at fast rotational speeds under high torque offshore Pipe Thread Protector Available Materials: lightweight plastic Only available in open design Designed for the environment The most economical option Made of polyethylene grey heavy duty plastic Only available in closed design Made of polyethylene

Over the years, I’ve lost count of how many times distributors, wholesalers, and even maintenance engineers have asked me the same thing: “What’s the difference between an O-ring and an O-ring cord? Which one should I keep in stock?” It’s a fair question. At first glance, they look similar, both are round in cross-section, both made from elastomers. But in practice, the choice between the two can affect your inventory strategy, your customer’s downtime, and even your reputation as a supplier. Let me walk you through it the way I usually explain it at trade shows or during factory visits. O-Rings: The Everyday Standard Think of O-rings as the “ready-to-go” solution. They’re molded into precise sizes, standardized across the industry, and available in thousands of specifications. · Stock advantage: If you’re a distributor, you know the drill, common sizes move fast. Automotive repair shops, hydraulic service centers, gearbox rebuilders, they all need them yesterday. · Applications: Engines, pumps, motors, industrial robots, even household appliances. Anywhere a groove is cut to a standard dimension, an O-ring is the natural fit. · Ease of use: No cutting, no bonding. Just drop it in the groove, lubricate if needed, and you’re done. O-Ring Cords: The Flexible Fixer O-ring cords are a different animal. They come as long spools of rubber cord, same round cross-section, but not closed. You cut the length you need, bond the ends, you’ve got a custom O-ring. · Large diameters: Picture a wind turbine shaft seal. Nobody keeps a 1.5‑meter O-ring on the shelf. A cord solves that. · Odd sizes: A chemical plant calls with a flange dimension you’ve never seen before. Instead of saying “lead time six weeks,” you cut a cord and bond it. · Inventory efficiency: One roll of cord can cover dozens of diameters. That’s a lifesaver for distributors who don’t want to tie up capital in slow- moving stock. Materials and Craftsmanship Both O-rings and cords use the same elastomers: · NBR (Nitrile) for oil resistance in pumps and gearboxes. · FKM (fluoroelastomer) for high temperature and aggressive chemicals. · EPDM for water and steam. · Silicone for low-temperature flexibility and appliances. The real difference is in the joint. A molded O-ring has no weak point. A cord does, and that joint is where experience matters. Cold bonding is quick and fine for static, low-pressure seals. Hot vulcanization takes longer but gives you a joint that can handle pressure and movement. Installation Tips · O-Rings: Don’t overstretch them, don’t twist them, and keep the groove clean. Simple advice, but I’ve seen too many failures from ignoring it. · O-Ring Cords: Cut square, bond carefully. For large diameters, hot vulcanization is worth the effort. A sloppy joint will come back to haunt you. FAQ Q1: Should I stock both? A: Yes. O-rings for the fast-moving, everyday demand. Cords for emergencies and non-standard jobs. Q2: Are bonded cords reliable? A: They can be. For static, low-pressure applications, cold bonding is fine. For dynamic or high-pressure, hot vulcanization is the safer bet. Q3: How do I avoid after-sales headaches? A: Work with a supplier who doesn’t just ship rubber but also provides technical guidance. At NQKSF, we often help partners choose the right material and bonding method, which reduces warranty claims and keeps customers loyal. From my side, what makes NQKSF stand out is not just the product range but the way we support partners: · Standard parts, fast delivery: Over ten thousand specifications of O-rings, oil seals, and related seals in stock. Urgent orders? We can ship immediately. · Customized solutions: From material selection and groove design to production and testing, we help create seals that match the exact working conditions. · Technical empowerment: With more than 30 years in the sealing industry, we don’t just sell parts—we help optimize sealing systems, reduce maintenance costs, and improve equipment reliability. Why Distributors Trust Us NQKSF is not just a trading name. We are a manufacturing-based enterprise with recognition as: · A leader in the sealing industry. · A company with full model coverage and strong stock availability. · An exporter to 80+ countries worldwide. · A long-term partner to global brands. · Certified as a Provincial Technology Innovation Center, a Specialized and Innovative Enterprise, and a High-Tech Enterprise. · A front-runner in a specialized industrial cluster. So, what’s the difference between O-rings and O-ring cords? In simple terms: O-rings are the standardized, off-the-shelf solution. O-ring cords are the flexible, cut-to-fit option when size or urgency demands it. For distributors and wholesalers, the smart play is to carry both. Let O-rings handle the daily demand, and keep cords as your ace in the hole for non- standard or emergency cases. With NQKSF’s combination of stock, customization, and technical support, you’re not just selling seals—you’re building reliability into your customer’s equipment and trust into your business relationships.

Minimum Order: 1000

Detailed Explanation of Fischer-Tropsch Wax Application in PVC: 1. Primary Function: Serves as an external lubricant During PVC processing (such as extrusion, calendering, injection moulding), the polymer melt undergoes friction and adhesion with the metal surfaces of processing equipment (e.g., screws, barrels, moulds) at elevated temperatures. The lubricant's role is to reduce this friction and adhesion. Function of Fischer-Tropsch wax: As a typical external lubricant, Fischer- Tropsch wax exhibits low compatibility with PVC. During processing, it migrates from the PVC melt to its surface, forming a thin lubricating molecular layer between the melt and metal equipment. Benefits: Reduced processing energy consumption: Minimises friction, lowering equipment drive power requirements. Prevents melt fracture: Reduces shear stress, preventing material degradation from excessive shear. Facilitates demoulding: Effectively prevents products from adhering to moulds during injection moulding or calendering. Enhances production line speed: Superior lubricity permits higher processing speeds.

**** Article. No: SD-IE3T Name: 3oz / 90ml PP Jello Injector Description: Food grade plastic for drinks tested by SGS, 2300ml in volume. Size: 4.0 x 4.0 x 16cm Color: Clear (various colors) Packing: 270 units/ctn--60 x 34 x 32cm Container stuff: 120960pcs / 448ctns / 20', 236250pcs / 875ctns / 40', 270000pcs / 1000ctns / 40'hc (without pallet) **** SUNLIT(CHINA) is a professional manufacturer of yard cups, yard glass, hurricane glass, etc., which are popularly used in retails, theme parks, party, cinemas, tourist attractions, clubs, music salons, beaches, ad specialties, bar essentials(accessories) and food service settings. Our products TESTED SAFE FOR DRINKS BY SGS and the resembling authorized laboratories around the world. We have many different designs and we can customize your needs. If you have any need, please kindly let me know, our team will provide a comprehensive solution to you. Also, we have a professional freight forwarder who can deliver the goods to your designated location.(DDP To Door) For more novelty cups, pls visit www.sunlitchina.cn © SUNLIT(CHINA) INC. Tel: +86-754-88343008 +86-13829687043 Email: sales@sunlitchina.cn Websit: https:// www.sunlitchina.cn Add: 2nd Bldg.of Jinliuyuan, Jinxi Garden, Northern Huashan Rd.,Shantou,Guangdong 515041, P.R.C. ice bucket, jello Injector, Smoothie cup, Beverage cup, Yard cups, Frozen drink cup, Juice cup

Minimum Order: 10000

**** Article. No: SD-LP18T Name: 18oz Yard Glass Description: Food grade plastic for drinks tested by SGS, 540ml in volume. Size: 7.7 x 8.5 x 31.5cm Color: Clear (various colors) Packing: 56 units / ctn -- 79 x 32.5 x 34cm Container stuff: 18816pcs / 336ctns / 20', 38416pcs / 686ctns / 40', 43904pcs / 784ctns / 40'hc **** SUNLIT(CHINA) is a professional manufacturer of yard cups, yard glass, hurricane glass, etc., which are popularly used in retails, theme parks, party, cinemas, tourist attractions, clubs, music salons, beaches, ad specialties, bar essentials(accessories) and food service settings. Our products TESTED SAFE FOR DRINKS BY SGS and the resembling authorized laboratories around the world. We have many different designs and we can customize your needs. If you have any need, please kindly let me know, our team will provide a comprehensive solution to you. Also, we have a professional freight forwarder who can deliver the goods to your designated location.(DDP To Door) For more novelty cups, pls visit www.sunlitchina.cn © SUNLIT(CHINA) INC. Tel: +86-754-88343008 +86-13829687043 Email: sales@sunlitchina.cn Websit: https:// www.sunlitchina.cn Add: 2nd Bldg.of Jinliuyuan, Jinxi Garden, Northern Huashan Rd.,Shantou,Guangdong 515041, P.R.C. Smoothie cup, Beverage cup, Yard cups, Frozen drink cup, Juice cup

**** Article. No: SD-RE12T Name: 12oz 2-Ring Yard Cups Description: PET & PP ( tested by SGS ), 360ml in volume. Size: 6.3 x 6.1 x 28.3cm Color: Clear (various colors) Packing: 96 units / ctn -- 61 x 30 x 56cm Container stuff: 27936pcs / 291ctns / 20'; 56448pcs / 588ctns / 40'; 63744pcs / 664ctns / 40'hc; **** SUNLIT(CHINA) is a professional manufacturer of yard cups, yard glass, hurricane glass, etc., which are popularly used in retails, theme parks, party, cinemas, tourist attractions, clubs, music salons, beaches, ad specialties, bar essentials(accessories) and food service settings. Our products TESTED SAFE FOR DRINKS BY SGS and the resembling authorized laboratories around the world. We have many different designs and we can customize your needs. If you have any need, please kindly let me know, our team will provide a comprehensive solution to you. Also, we have a professional freight forwarder who can deliver the goods to your designated location.(DDP To Door) For more novelty cups, pls visit www.sunlitchina.cn © SUNLIT(CHINA) INC. Tel: +86-754-88343008 +86-13829687043 Email: sales@sunlitchina.cn Websit: https:// www.sunlitchina.cn Add: 2nd Bldg.of Jinliuyuan, Jinxi Garden, Northern Huashan Rd.,Shantou,Guangdong 515041, P.R.C. Smoothie cup, Beverage cup, Yard cups, Frozen drink cup, Juice cup

A dust seal is job is straightforward in theory—keep contaminants out. In practice, it is a constant battle against fine dust in a gearbox housing, moisture creeping into a motor bearing, or abrasive sand clinging to a hydraulic cylinder rod. The right choice of dust seal can mean the difference between a smooth production run and an unexpected shutdown. What Makes a Good Dust Seal There is no single “best” dust seal for every application. The working environment dictates the design and material. · In light-duty, relatively clean conditions, a single-lip profile may be sufficient. · In harsher settings—think construction machinery operating in wet soil—a double-lip design offers better protection, with the outer lip scraping debris and the inner lip blocking moisture. Where space is limited, combination seals integrate dust and oil sealing in one component. Material choice is equally critical. NBR works well for general machinery exposed to oil mist but not extreme abrasion. Polyurethane (PU) is favored in hydraulic systems for its wear resistance and elasticity. FKM handles high temperatures and aggressive chemicals, making it suitable for certain energy and chemical processing equipment. PTFE is the go-to for high-speed shafts where low friction is essential. Where They Are Used Dust seals are not confined to one sector. They appear in: · Pump and motor assemblies, where they protect bearings from airborne particles and moisture. · Gearboxes and engines, keeping abrasive particles out of lubrication systems. · Industrial robots and machinery, maintaining clean joint surfaces during repetitive motion. · Hydraulic cylinders in excavators or loaders, preventing grit from damaging the rod surface. · Wind turbine main shafts and metallurgy equipment, where dust and humidity levels are high. · Automotive and heavy truck wheel hubs and driveline components. Considerations for Distributors and Wholesalers From a supply perspective, dust seals are not just a commodity. They are part of a reliability strategy for the end user. Distributors often weigh several factors before committing to a supplier: 1. Availability and Lead Time: Downtime costs money. DEDE maintains an extensive inventory—over ten thousand standard specifications for O-rings, oil seals, and dust seals—ready for immediate dispatch. This allows urgent orders to be filled without delay. 2. Customization Capability: Not every application fits a standard size or profile. DEDE offers a full-service approach: material selection, profile design, prototyping, and testing. This ensures non-standard seals match the actual operating conditions. 3. Technical Support: With more than three decades in the sealing industry, DEDE’s team can advise on system-level improvements, helping customers extend seal life, reduce maintenance intervals, and improve equipment uptime. 4. Global Reach and Recognition: DEDE products are shipped to over 80 countries and are trusted by well-known international brands. The company has been recognized as a Provincial Technology Innovation Center, a Specialized and Innovative Enterprise, a High-Tech Enterprise, and a Leading Company in a Specialized Industrial Cluster. Field Observations One recurring issue seen in the field is the mismatch between seal design and the actual contamination profile. For example, a dust seal designed for fine powder environments may fail quickly in wet, gritty conditions. This is why site-specific information—particle size, moisture levels, operating temperature—should guide the selection process. It’s also why experienced suppliers ask detailed questions before recommending a product. Another point often overlooked is installation. A well-made dust seal can underperform if installed without proper alignment or if the shaft surface finish is outside tolerance. These are small details, but they have a large impact on performance. Why This Matters For the end user, a dust seal is inexpensive compared to the cost of the equipment it protects. For distributors and wholesalers, offering the right seal builds trust and long-term business. It’s not just about selling a part; it’s about reducing risk for the customer. Dust seals may be small, but their role in protecting industrial equipment is significant. By combining a broad inventory, customization expertise, and technical support, DEDE continues to provide reliable sealing solutions for industries ranging from pumps and motors to construction machinery, wind power, and automotive applications.

Minimum Order: 1000