Offers to Sell

Parameter 850nm Narrow Bandpass Filter CWL 850nm±5nm FWHM 20nm±2nm (customized) Product size 3mm-80mm(customized) Transmission at CWL >90%(According to customers' demand) Blocking >OD3-OD6 UV-NIR Substrate Optical glass Surface Quality 60-40, 40-20 Advantages OF Narrow Bandpass Optical Filter High selectivity: Narrow bandpass filters can selectively pass light in a small wavelength range across a wide spectrum, which is particularly useful for applications that require the exclusion of background noise or interfering light. Central wavelength: Each narrow bandpass filter has a specific central wavelength, which is the wavelength position of the maximum transmittance it is designed to pass.

KCG, 2CG high temperature gear transfer pump The pump is Suitable for conveying high-temperature liquids without solid particles and fibers, non-corrosive, with a medium temperature of up to 250degree celsius and a viscosity of 5-1500cst. 2CG high-temperature gear pump is widely used in various industries such as plastic and rubber processing industry, textile printing and dyeing industry, coating industry, wood processing industry, food industry, paper printing and other liquid heat carrier heating industries. Structural characteristics of 2CG high-temperature gear pump: The pump consists of components such as gears, shafts, pump body and pump cover, and shaft end seals, all of which are made of high temperature resistant materials. The operating parts inside the pump are lubricated with the medium conveyed. KCG high-temperature gear pump is equipped with a safety valve to prevent damage to the pump and motor caused by overloading.

Minimum Order: 1 bags

GF fluoroplastic pipeline pump, the overcurrent components are made of high- temperature molded polytetrafluoroethylene, which has better corrosion resistance than metal materials. The impeller is directly connected to the motor, reducing the bearing box and coupling, thereby reducing mechanical energy loss and achieving advantages such as high efficiency and low noise. Features: Vertical structure of fluorine lined pipeline pump, with the same inlet and outlet, no need for diameter change, multiple units can be connected in series, saving space and transporting corrosive liquids. Application: Pumps are widely used in industries such as petroleum, chemical, metallurgical, power, papermaking, flue gas desulfurization, dust removal, food and pharmaceuticals, and synthetic fibers to transport corrosive liquids. They are suitable for temperatures ranging from -20 to 150 degrees Celsius. Remarks 1 - The pump adopts a short bracket direct connection structure(close couple), and the impeller shaft and motor shaft are locked with threaded pull rod. 2 - The impeller and shaft at mechanical seal are integrated structures, which transmit torque to the motor shaft using a Mohs taper. 3 - The shaft seal adopts WB2 external corrugated pipe mechanical seal. 4 - The main shaft of the supporting motor is a specially designed hollow shaft, and the motor form is a vertical V1 type hollow shaft outdoor motor 5 - All pumps in this series are equipped with the motors at the speed of 2900rpm

Minimum Order: 1 bags

1. Automatic feeding with adjustable brackets 2. Speed is adjustable for different products 3. 110mm hole diameter for SKD11/DC53 thread rolling dies 4. Max. Rolling pressure is about 1000KN 5. It is easy to operate and maintain the machine 6. CE, ISO9001-2008 Specification Working diameter 14-150mm Thread pitch 1.0-15mm Thread length In feed or Thru feed Spindle speed 16/21/27rpm (variable speed) Outside diameter of rolling die 220-300mm Inside diameter of rolling die 110mm Thickness of rolling die 250mm Feed stroke 0-20mm Mian motor 37KW Hydraulic motor 7.5KW Max rolling pressure 100T Supply voltage 380V 3P 50Hz Weight(reference) 8800(KG) Package Dimension(L*W*H) 2550*2450*2050mm Dimension(L*W*H) 2450*2350*1900mm Q1. Are you factory or trading company ? A1. We are factory of manufacturing thread rolling machine and dies by ourselves. Welcome to visit our factory, if possible. Q2. What is the delivery time ? A2. Usually 15-25 working days for machine, and 10-15 working days for dies. Q3. What is the warranty time for machine? A3. Usually 12 months from B/L date. Q4. What is the payment term? A4. T/T, Western Union, Money Gram, Alipay, PayPal. 50% as deposit, and 50% before shipping. Q5. Is it possible to design and produce automatic loading & unloading devices? A5. Yes, Engineer can design special auto feeding device according to your products. But please provide the drawing of your products before that. Q6. How will you solve problems that we face during using your machine? A6. A. Please provide necessary videos and pictures that can show the problems, our engineers will check and give corresponding solutions. B. Will arrange engineers to solve problems at the scene, if possible.

Greetings Sir/Madam, We are registered local miners and sellers of Gold. Our company has been in the extraction and mining sectors for over decades and has been of good esteemed both local and international. Our gold is of good quality and our price is very attractive. If you are interested and for more information, please contact us below. Thank you for your cooperation. Mobile/Whatsapp: +233-260730927

Greetings Sir/Madam, We are registered local miners and sellers of Gold. Our company has been in the extraction and mining sectors for over decades and has been of good esteemed both local and international. Our gold is of good quality and our price is very attractive. If you are interested and for more information, please contact us below. Thank you for your cooperation. Mobile/Whatsapp: +233-260730927

Minimum Order: 200

Corrosion resistant chemical pump for alkali liquid IJ type single stage single suction cantilever chemical centrifugal pump is a new product optimized and designed based on the IH series chemical pump, referring to the latest foreign technology and combining with the actual use of users. Its rated performance and installation size comply with the ISO2858 standard, and its manufacturing technical conditions comply with the ISO5199 standard. It is mainly suitable for the transportation of slurry with a solid content less than 50% and crystal impurities in chemical processes. Compared with IH pumps, the structure of IJ chemical pumps has the following characteristics: 1 - Shortened the cantilever of the impeller and thickened the diameter of the shaft; 2 - Asymmetric cross-section volutes and pump casings without mouth rings; 3 - Three imported bearings are used; 4 - Equipped with a new type of seal similar to foreign advanced double face mechanical seals or packing seals. Due to the above structure, the pump has the following advantages: 1 - It can transport high viscosity or solid containing media, and the efficiency of the pump is higher than that of the IH chemical pump; 2 - The asymmetric cross-section volute reduces the impact loss of fluid and shortens the size of the pump casing; 3 - Increasing the strength of the shaft reduces the deflection of the rotor, resulting in stable operation and long sealing life; 4 - The impeller nut is integrated with the impeller, improving the inlet conditions of the pump and enhancing the anti cavitation performance of the pump; 5 - Advanced shaft seal form ensures better sealing effect and reduces pump leakage; 6 - The clearance of the pump can be adjusted without disassembling the pump casing and impeller, reducing maintenance time and saving maintenance costs. Applicable fields: alkali production, salt chemical industry, petrochemical industry, paper mills, pulp industry, refineries, coal chemical industry, power plants, pharmaceutical industry, sugar industry, steelmaking plant, water treatment coating industry (degreasing, phosphating, electrophoresis and other processes)

Minimum Order: 1 bags

X-rings, also known as star rings due to their distinctive X-shaped cross- section, represent a thoughtful upgrade from the traditional O-ring. While both serve the purpose of sealing, the X-ring stands out for its refined design— specifically the four sealing lips and a small lubrication cavity in the center. This unique structure helps reduce both friction and starting resistance, making it ideal for dynamic applications. One of the often-overlooked advantages of X-rings is the positioning of the flash line—it sits in the recessed area of the cross-section, which not only improves the seal but also reduces the chances of leakage. In other words, the X-ring takes everything good about the O-ring and pushes it one step further. A Smarter Choice for Demanding Applications X-rings can be used in a wide variety of environments. To ensure optimal performance, the material must be chosen based on factors like temperature, pressure, and the type of medium involved. It’s not just about choosing a rubber ring—it’s about matching the right material to the job. When setting up a system, engineers should factor in peak and continuous operating temperatures, the frequency of use, and in rotating applications, the heat generated from friction. These considerations will determine the service life and effectiveness of the seal. What Makes X-Rings a Better Performer? Unlike an O-ring, which only has one contact point, the X-ring offers four contact surfaces. This means pressure is distributed more evenly, reducing friction by up to 40% and significantly slowing wear over time. It’s a clear performance boost, especially in systems that cycle frequently. Where Do X-Rings Shine? You’ll find X-rings in some of the most demanding applications: Heavy-duty machinery: hydraulic cylinders in excavators and presses Industrial robotics and turbines: rotating shafts and spindles Aerospace systems: actuators in aircraft landing gear that face sudden pressure changes Automotive transmissions: dual clutch systems that require precise sealing Oil and gas: critical components like blowout preventers in offshore rigs Material Options for Different Needs Different environments demand different materials, and X-rings are available in several: NBR (nitrile rubber): cost-effective, reliable across a wide range of industrial uses (-40°C to +125°C) FKM (fluoroelastomer): excellent resistance to high temperatures and aggressive fluids (-20°C to +250°C) PTFE: ideal for low-friction, high-precision sealing in sensitive equipment Why DEDE’s X-Rings Stand Out As a certified high-tech enterprise recognized for “specialization, refinement, and innovation,” DEDE brings over 30 years of experience in sealing technology. We don’t just offer parts—we provide complete sealing solutions. Whether it's rapid prototyping for custom designs or supplying from our inventory of over 10,000 standard parts, our flexible production system meets global demand with speed and precision. Today, DEDE supports clients in over 80 countries with localized technical guidance, ensuring that our seals don’t just fit—they last. If you're unsure about the specifications or material choice for your application, our engineering team is ready to provide tailored advice. With X- rings, it's not about using just any seal—it’s about using the right seal.

Minimum Order: 500

Non-sparking round file for use in petrochemical, grain production (explosive- dust), utilities, and hazmat applications.  Properties of Beryllium Copper Alloy: 1. Beryllium copper alloy is a non-magnetic and non-sparking alloy. 2. It is an exceptionally strong alloy with high electrical and thermal conductivity, as well as excellent resistance to wear and fatigue. 3. It is highly corrosion resistant, making it suitable for both indoor and outdoor use. 4. The alloy provides excellent formability and superior machinability, making it a great candidate for use in the manufacture of parts and components with complex shapes. 5. Beryllium copper alloy is also highly flexible and can be easily bent without breaking. 6. The alloy has a co-efficient of thermal expansion that is similar to that of steel, making it a great choice for parts which will be exposed to large temperature changes. Applications of Non-sparking Tools Chemical industries Petro refineries Oil and gas carriages Pipeline business Drilling platforms Fuel service (cleaning etc.) Gas and electricity works Varnishing Federal armed forces, army Civil defence and civil protection Fire department

Non-Sparking Electrician Knife SK280 Material:Beryllium Copper Alloy,Aluminum Bronze Alloy. Non-Sparking Electrician Knife is a Cutting tool,mainly used in electrician’s job. Properties of Our Non-sparking Safety tools Non-sparking Our Non-sparking Tools will not emit sparks that can ignite volatile materials, chemicals or gasses. Tests have shown that our tools cannot produce a spark to ignite carbon disulfide, which has the lowest ignition point of any substance.  High Strength Our Beryllium copper alloy non sparking tools are made of high strength beryllium copper which is a copper-based alloy containing approximately 1.8% beryllium. The alloy can be heat treated to hardness ranges of Rockwell C30-40, with tensile strengths up to 1200 MPa This allows our tools to be precisely forged, cast, formed, machined and hardened to strength levels that cannot be achieved in tools made from aluminum, bronze or brass.  Non-magnetic Our Non-sparking Tools are nonmagnetic. They are ideal for applications where magnetic disturbances must be avoided and eddy current effects must be minimized. Using our tools near or with precision magnetic equipment will not induce or aggravate electrical disturbances, or disrupt instrument settings. Corrosion Resistant Our Non-sparking tools are durable in severe corrosive environments. They exhibit excellent resistance to corrosion in chemical, acidic, alkaline and atmospheric conditions that can compromise the performance of steel or iron- based tools. Our tools are ideal for marine applications where corrosion resistance to saltwater and nonsparking capabilities around explosive vapors on ships are critical considerations.

 Non-sparking Our Non-sparking Tools will not emit sparks that can ignite volatile materials, chemicals or gasses. Tests have shown that our tools cannot produce a spark to ignite carbon disulfide, which has the lowest ignition point of any substance.  High Strength Our Beryllium copper alloy non sparking tools are made of high strength beryllium copper which is a copper-based alloy containing approximately 1.8% beryllium. The alloy can be heat treated to hardness ranges of Rockwell C30-40, with tensile strengths up to 1200 MPa This allows our tools to be precisely forged, cast, formed, machined and hardened to strength levels that cannot be achieved in tools made from aluminum, bronze or brass.  Non-magnetic Our Non-Sparking Pipe Cutters are nonmagnetic. They are ideal for applications where magnetic disturbances must be avoided and eddy current effects must be minimized. Using our tools near or with precision magnetic equipment will not induce or aggravate electrical disturbances, or disrupt instrument settings. Corrosion Resistant Our spark free tools are durable in severe corrosive environments. They exhibit excellent resistance to corrosion in chemical, acidic, alkaline and atmospheric conditions that can compromise the performance of steel or iron- based tools. Our tools are ideal for marine applications where corrosion resistance to saltwater and nonsparking capabilities around explosive vapors on ships are critical considerations.

Double Open Ended Spanner is generally used for tightening and loosening of rotary fasteners such as nuts and bolts. Double Open Ended Wrench Set Non-Sparking, Non-Magnetic & Corrosion Resistant Non-Sparking For Use Where Flammable Or Combustible Vapors, Liquids, Dust Or Residue Are Present Non-Magnetic For Use Near highly Sensitive Magnetic Equipment; MRI And Clean Room Environments; Corrosion Resistant Even In The Most Severe Environments. These wrenches are suitable for working in an atmosphere where a mixture of air and flammable substances in the form of gas, vapor, mist or dust is present frequently, continuously, or for long periods. They are also made of non- magnetic components, which makes them safer for applications demanding non- magnetic properties. This Double Open Ended Spanner set includes the following. This is the perfect starter for your non – sparking tool set.

Aluminium bronze (Al-Br), non-sparking corrosion resistant scraper with wooden handle. Application: Die forging process, high density. The blade is sharper and easier to remove rust and dirt. Material: Beryllium bronze alloy, Aluminum bronze alloy. The CNSKEX Tools non-sparking scraper range has been designed for use in explosive or flammable atmospheres, where regular tools may create potentially dangerous sparks when in use. Manufactured from a special Aluminium Bronze alloy, these ‘explosion proof’, non-magnetic and corrosion resistant tools are suitable for use in a wide range of industries such as mining, petrol and gas extraction, petrochemical refineries, energy production and transportation, manufacture of explosives plus many more. Hardness Brinell 229 - 291 Breaking 782N/ m㎡ - 989N/ m㎡ Elasticity Limit 450 - 550. Also available in Beryllium Copper (Be-Cu) (prices on request). Applications of Non-sparking Tools Chemical industries Petro refineries Oil and gas carriages Pipeline business Drilling platforms Fuel service (cleaning etc.) Gas and electricity works Varnishing Federal armed forces, army Civil defence and civil protection Fire department You can use it on all places where sparks create potential danger of explosion and fire. For the activities which require the use (application) of a hundred percent non-magnetic and extremely rustproof tools.

In the field of modern mining and heavy industry, the blockage stoppage and high-risk crushing operations have long been restricting the production efficiency and safety level. YZH has launched BAN310 Grizzly Boom System, which has become the key technical equipment to solve these pain points with the core breakthroughs of intelligent control, heavy-duty crushing capacity and extreme environmental adaptability. This article will deeply analyze the innovative design, performance advantages and industry application value of this equipment. Its working system consists of four major modules: ydraulic Crushing Hammer (performs crushing, brazing rod diameter 75-175mm adjustable) Large/small arm working system (made of high-strength rectangular steel with cushion brake) Electro-hydraulic Power Station (power 30-75kW, accurately matching the load demand) Intelligent Control System (supports 10-20km remote control and multi-parameter fusion) Innovative Design and Technological Breakthroughs 1. Intelligent control system Ultra-long-distance precise operation: integrating video monitoring and remote control technology, the operation radius reaches 10-20km, realizing the “man- machine separation” operation in the high-risk area underground. Flexible positioning and striking: Equipped with high-performance controller, it supports millimeter-level positioning and multi-angle continuous striking of the crushing hammer, and reduces ineffective impact by more than 40%. Extreme working condition adaptation: optional low-temperature heating/high- temperature heat dissipation module can be installed to adapt to the environment from -30℃ to 80℃, which can meet the special scenarios such as high-altitude mines and metallurgical high-temperature zones. 2. Heavy-duty structure and reliability enhancement Impact-resistant design: adopting thickened pin, large-diameter hydraulic cylinder and high-performance vibration damping system, it effectively disperses the impact load and extends the life of the whole machine by 30%. International core components: key hydraulic components are selected from brand names, guaranteeing 20,000 hours of trouble-free operation. Modular expansion capability: the front-end can quickly replace the crushing hammer, hydraulic shear or grapple to realize multi-functionality (crushing, unpacking, slag clearing multi-functional). 3. High-efficiency power and energy-saving environmental protection Pure electric drive advantage: compared with the traditional diesel equipment, energy consumption is reduced by more than 60%, noise is reduced by 50%, and zero emissions are realized. Energy efficiency optimization system: dynamic matching between hydraulic station and crushing hammer, avoiding empty energy consumption, the cost of single ton crushing is only 1/6 of excavator. Performance Advantages and Economic Benefits 1. Revolutionary increase in production efficiency Reduce 90% of downtime for clearing blockage, and increase the production capacity of crushing line by 15-20%. Failure rate is 85% lower than that of diesel equipment, supporting year-round operation. 2. Double optimization of safety and cost Completely eliminates high-risk operations: remote control avoids manual contact with high-temperature slag, falling rocks in mines, and other risks. Full-cycle cost advantages: Maintenance costs are reduced by 40% and spare parts replacement intervals are extended by two times Protecting crusher liners extends the life of the mainframe by 30% and reduces wear and tear costs Application Scenarios and Typical Cases 1. Mines and Quarries Blocking and Unblocking: In a gravel aggregate plant in Anhui, BAN310 was installed to solve the problem of gyratory crusher jamming, reducing downtime loss by 500 hours per year. Secondary crushing: replacing the blasting process to deal with oversize ores, reducing safety risks and environmental approval costs. 2. Metallurgy and foundry industry High-temperature slag treatment: a steel plant adopts BAN310 to remotely crush 1500℃ steel slag, avoiding manual near-front operation and reducing 3 safety accidents per year. Scrap steel pretreatment: crushing scrap car skeleton, enhance the efficiency of electric furnace feeding by 30%. 3. Cement Plant and Underground Mine Silo Slabbing Clearance: Shandong Cement Plant removes cement slabs from 10,000 tons silo by BA300 to ensure continuous material supply. Slideway lattice screen clearing: In Inner Mongolia underground mine, BAN310 completes the lattice screen dredging in the unventilated operation area, and the production efficiency is improved by 25%. Summary and Purchasing Suggestions BAN310 Grizzly Boom System  has become the core equipment for upgrading mining heavy industry through intelligent control, heavy-duty reliability and super adaptability. Its modular design supports in-depth customization - from 4880mm basic arm span to 20.4m ultra-long operating range, and it can operate stably from -30℃ cold mines to high-temperature zones in steel mills, highlighting the boundary breakthrough in engineering design. Key points for purchasing decision: Work condition adaptation: installation location dimensions, material hardness and voltage level need to be provided, and the manufacturer supports customized design. Service guarantee: Yuanzheng provides turnkey services, including installation and commissioning, operation training and 24-hour emergency support. This equipment not only represents the upgrade of technical tools, but also promotes the transformation of the mine production mode to "unmanned, zero casualties, and full continuity" - in the eternal game of efficiency and safety, the optimal solution is given.