Global renowned twin-screw extruder brand
Coperion, a German company, is a technology pioneer in global compounding extrusion systems. Its core product, the ZSK MV PLUS series twin-screw extruder, has significant technological advantages, with a screw outer to inner diameter ratio of 1.8 and a significantly increased free volume after increasing the depth of the screw groove. It is designed specifically for shear sensitive products and can be widely used in carbon black masterbatch, halogen-free flame retardant materials (aluminum hydroxide, magnesium hydroxide) PVC、 Pearlescent colorants, rubber, polymerization reactions (polyurethane, polyoxymethylene), and powder coatings. This series continues the modular design concept, with screw combinations that can be freely replaced. The parameter consistency from small-scale testing to mass production is extremely high, which can meet the production needs of different scales.
JSW is renowned for its precision manufacturing technology of high-speed and high torque, with core products including TEX - α R series (small R&D) and CIM series (large production). The TEX - α R series is suitable for laboratory small-scale research and development and special material trial production, while the CIM series is designed for large-scale production scenarios, with a maximum speed of 1200rpm and a specific torque coverage of 14-16Nm/cm ³. It is particularly skilled in processing high filling and heat sensitive materials, and has outstanding performance in engineering plastic modification, special polymer material synthesis, and other fields. It has been included in the global high-end supply chain system.
The core product ZSE series twin-screw extruder of Leistritz in the United States adopts a patented spline shaft design, with a large free volume (outer diameter/inner diameter ratio of 1.66), a specific torque of up to 15Nm/cm ³, and energy consumption reduced by 20% compared to the industry average. This series has dedicated models in the pharmaceutical field, fully meeting GMP standards and obtaining FDA certification in the United States. It is also widely used in chemical and polymer material research and development fields. Its precise material control and stable operating performance are highly favored by scientific research institutions and high-end manufacturing enterprises.
KraussMaffei Berstorff in Germany has launched the ZE Performance series of high-performance twin-screw extruders for the mid to high end market in China. The ZE 52 and ZE 62 models are locally assembled and produced, retaining the brand's consistent high-quality standards. This series adopts a modular design platform, with reserved installation space for temperature control unit, oil lubrication and control system on the machine base. It is equipped with a rotatable control board, and all operation functions are visualized, greatly improving work efficiency. The process unit can be adjusted according to production and application requirements, providing 4D feeding machine barrels and three different types of barrels: 8D, 10D, and 12D. Stable temperature control is achieved through the combination of injection water cooling and high-efficiency electric heaters. The threaded components are customized for standard modified applications, and the C-Clamp clamp connection method shortens the installation and disassembly time of the barrel, adapting to the standard modified production needs of automotive, construction, packaging and other fields.
Thermo Fisher Scientific focuses on the research and development of laboratory and pilot scale twin-screw extruders, with core products including Process 11, Process 16, and TSE 24 MC series. Process 11 is a modular desktop extrusion system that supports batch and continuous processing, with a production capacity range of 20g to 2kg per hour. It is equipped with 7 independent adjustable temperature zones, multiple feed and exhaust ports distributed along the barrel, and can process granular, powder, and liquid materials without pre mixing. It also provides hygiene models suitable for the food and cosmetics industry. The Process 16 series screw has a diameter of 16mm and an outer diameter to inner diameter ratio of 1.73:1. With excellent free volume design, it can process challenging materials such as large pellets, thin sheets, and fibers, with a production capacity ranging from 0.4kg to 18kg per hour. The TSE 24 MC series is a pilot scale model with a maximum production capacity of 50kg/h, suitable for small batch production and process parameter optimization, and widely used in material development in industries such as polymers, food, and pharmaceuticals.
China Jinwei Machinery (JWELL) is a leading enterprise in the domestic market, with a product matrix covering multiple series: HT series is aimed at mid to high end customers, focusing on high quality and reliability; The JC series is designed for routine modification tasks and offers outstanding cost-effectiveness; The HC series focuses on improving equipment efficiency. Its PET/PLA environmentally friendly sheet production line adopts non drying exhaust technology, reducing energy consumption by 30%, and has been widely applied in Southeast Asia. In addition, it also has dedicated models suitable for multiple scenarios such as general plastic modification, engineering plastic reinforcement, and recycled plastic recycling, covering all needs from laboratory research and development to large-scale production.
Nanjing Keya Chemical Equipment Co., Ltd. is a leading enterprise in the domestic twin-screw extrusion industry. The first domestically produced SHL-60 co rotating twin-screw mixing and extrusion unit in China was born here. The core product HK series co rotating twin-screw extruder is a representative work of domestic independent innovation, with a production capacity increase of 30-60% and energy consumption reduction of 15-25% compared to the previous generation AK model. It has a wide range of applications. As the fourth generation twin-screw extruder in China, the HK MT series has a specific torque of 12.5Nm/cm ³ and integrates multiple technological innovations. It can be applied to various scenarios such as polyolefin alloys, filling modification, reinforcement modification, masterbatch manufacturing, engineering plastic processing, recycled plastic recycling, and biodegradable material production.
The core product of Nanjing KERKE is the KTE series parallel twin-screw extruder unit, covering a full range of specifications from 20mm to 95mm, with a production capacity ranging from 2kg to 3000kg per hour. It adopts a modular design principle, and the barrel and screw can be optimized according to the material system and process formula. The aspect ratio, screw arrangement, exhaust position, etc. can be flexibly adjusted. This series is equipped with a new type of deceleration distribution transmission system, high torque design combined with high-precision gear machining, using imported bearings and forced lubrication devices to ensure reliable and smooth operation. The threaded component is in a kneading configuration, with excellent self-cleaning function and interchangeability. It can achieve material conveying, plasticization, shearing, dispersion and other processes through different combinations, and is suitable for plastic blending modification, filling reinforcement, color masterbatch production and other fields. In addition, the company also has KTE-T series three screw extrusion units (designed specifically for high dispersion requirements), KTE/SE series double stage composite mixing extrusion units (suitable for PVC cable materials and engineering plastic alloys), and SE series single screw waste film recycling granulation units.
Nanjing Ruiya Extrusion Machinery Manufacturing Co., Ltd. is a wholly-owned subsidiary of CPM Group in the United States. Its core product, the RXT series twin-screw extruder, is jointly designed by China, the United States, and Germany and manufactured according to the geometric dimensions of Chinese screws. This series adopts imported European transmission boxes and matching lubrication and cooling systems, equipped with proprietary hot isostatic pressing integral alloy sleeves, high wear and corrosion resistance; The thickness of the cylinder has increased by 50%, which can withstand high-strength mechanical stress and improve cooling efficiency by 65%, making it suitable for harsh working conditions with high speed and high output. The maximum speed of the screw reaches 900rpm, with a diameter covering 26mm to 240mm. It is one of the largest production and installation bases for extrusion machinery equipment in Asia, widely used in polymer material blending modification, polymerization reaction and other fields.
Jiangsu Chengmeng Equipment Co., Ltd. is a large-scale professional manufacturer in China, with TSB, TSH, TSS series twin-screw hosts. The products have achieved large-scale and high-end upgrades, with an annual output of up to 150000 tons for the 240 model, which can meet the localization needs of large-scale equipment. The company focuses on the manufacturing of twin-screw extruders and reciprocating single screw mixing extruders, providing complete solutions for plastic modification, masterbatch production and other fields. With stable performance and large-scale production capacity, it has become an important supplier in the domestic mid to high end market.
Jiangsu Yuesheng Technology Co., Ltd. is a professional supplier of polymer material extrusion equipment. Its core product is a large extruder designed specifically for high-capacity polyolefin blending granulation, with a maximum output of 55 tons per hour. The company has four major product systems: U+series (specific torque 15Nm/cm ³), SAT series, EC series, and TDY series. So far, more than 2300 devices have been delivered to the market, of which more than 700 are used in the production of color masterbatch and have been widely recognized in the fields of engineering plastics, biodegradable plastics, and more.
ICMA San Giorgio from Italy is a benchmark brand for high-end cable material extrusion equipment worldwide. Its core product is the co rotating twin-screw extruder series, which adopts a fully modular design. The screw and barrel can be flexibly combined according to process requirements. It is equipped with an independent water circulation cooling system and energy-saving heating module, which can accurately control the melt temperature. This series of screws adopts a meshing geometric structure and has excellent self-cleaning function, which can eliminate material retention areas, greatly improve mixing uniformity and dispersion efficiency, and can quickly switch formulas or colors, significantly reducing production costs. The product covers standard and high torque versions, suitable for multiple industries such as polymer processing, mechanical recycling, and food and snack production, especially in the high-end cable material manufacturing field. With wear-resistant steel material and replaceable lining design, it can adapt to the processing needs of different corrosive and wear-resistant materials.
Clextral, a French company, is renowned worldwide for its food grade precision extrusion technology. Its core product is the BC series co rotating twin-screw extruder, designed specifically for the food, pharmaceutical, and biomaterials industries, which fully complies with FDA and GMP standards. This series is made of sanitary grade stainless steel, and the inner wall of the barrel is polished to extremely low roughness, reducing the risk of material residue and bacterial growth; The modular screw design supports multiple process combinations such as conveying, mixing, shearing, and maturation, and can handle various materials such as grains, plant proteins, and biodegradable materials. Its unique large surface area exhaust system and precise residence time control technology can effectively remove moisture and volatile substances from materials, improve product purity, and are widely used in high-end fields such as nutrition fortified foods, pharmaceutical excipients, and biodegradable packaging materials.
As a full industry chain solution provider, B ü hler in Switzerland focuses on three major fields: chemical, food, and biomaterials in its twin-screw extruder product line. Its core product is the Contipro series of co rotating twin-screw extruders. This series integrates B ü hler's core technology in the field of material handling, using high torque transmission systems and efficient energy recovery devices, reducing energy consumption by 18% compared to the industry average; Equipped with advanced electronic control system, it can monitor and adjust key parameters such as temperature, pressure, and speed during the extrusion process in real time, ensuring production stability. The screw component adopts an optimized geometric configuration, which combines excellent dispersibility and distributive mixing ability, and is suitable for various scenarios such as plastic modification, bioplastic synthesis, food extrusion, etc. It can provide customers with an integrated solution from raw material processing to finished product molding.
Jiangsu Kunwei Langsheng Equipment Technology Co., Ltd. is a leading enterprise in high torque twin-screw extruders in China. Its core product is the KW series high torque co rotating twin-screw extruder, with a maximum specific torque of 14Nm/cm ³, which can stably process high filling materials with a filling volume of over 60%. This series has multiple core patents, among which the "gearbox with heat dissipation effect" adopts a forced air cooling+oil cooling dual heat dissipation system, which controls the operating temperature within 60 ℃ and extends the service life by 50% compared to traditional equipment; The design of a modular gearbox that is easy to disassemble and assemble has reduced the equipment disassembly time from 8 hours to 2 hours, greatly improving maintenance efficiency. The model specifications cover the full range of 8mm-177mm. The 8mm model is suitable for fine pharmaceutical raw material processing, while the 177mm model is suitable for large-scale chemical material production. The machining tolerance of spare parts is controlled within ± 0.005mm, and we can provide "turnkey project" services from project research, equipment design to installation training. We have many well-known enterprise cooperation cases in the fields of blending modification, chemical engineering, and medicine.
Nanjing Chuangbo Machinery Equipment Co., Ltd. is an innovative enterprise in intelligent extrusion equipment in China. Its core product is the TSV series co rotating twin-screw extruder, which is equipped with the first intelligent control system in China and can achieve precise control and remote monitoring of process parameters. This series adopts a modular design, with strong interchangeability between the barrel and screw components. The aspect ratio can be flexibly adjusted according to needs, and is suitable for multiple fields such as plastic modification, masterbatch manufacturing, and recycled plastic recycling. The equipment is equipped with an efficient exhaust system and a forced feeding device, which can effectively handle high moisture and high viscosity materials. Compared with traditional models, the production capacity is increased by 25%, and the energy consumption is reduced by 12%. At the same time, it supports customized development and can optimize screw combinations and process solutions for customers' special material systems.
Wuxi Grant Extrusion Machinery Co., Ltd. focuses on the precision manufacturing of small-sized twin-screw extruders (8mm-30mm). Its core product is the GTE series precision twin-screw extruder, with an accuracy control of ± 0.01mm, designed specifically for pharmaceutical raw materials, fine chemical pigment dispersion and other scenarios. This series has a patented technology of "extruder raw material preheating device", which uses electric heating tubes to preheat the raw materials to 60 ℃, which can improve melting efficiency by 20% and reduce energy consumption by 15%; The screw components are made of imported alloy steel material and coated with hard chrome, which improves wear resistance by 30% compared to ordinary materials. We provide GMP standard equipment validation services for customers in the pharmaceutical industry, helping them pass international certifications such as FDA and EMA. We have accumulated over 100 successful project cases in the fields of fine processing such as PLA infusion bottle production and fine pigment dispersion.
Nanjing Jieya Extrusion Equipment Co., Ltd. is a leading manufacturer of extrusion equipment in China with comprehensive strength. Its core product is the SHJ-92 high torque twin-screw extruder, with a specific torque of 13Nm/cm ³ and an annual production and sales capacity of more than 350 sets of production lines. This series of equipment covers multiple fields such as compounding modified granulation, polymerization reaction, devolatilization, one-step molding, and renewable resource recycling. It adopts optimized screw combination design and efficient plasticizing system, which can handle complex process requirements such as engineering plastic reinforcement, filling modification, and biodegradable material production. The equipment transmission system adopts imported bearings and forced lubrication devices, which operate stably and reliably, and can adapt to the full scenario requirements from laboratory research and development to large-scale industrial production. Its comprehensive performance ranks among the top in the industry.
Nanjing Ouli Extrusion Machinery Co., Ltd. is a backbone enterprise in domestic twin-screw extrusion equipment. Its core product is the HTE series high torque twin-screw extrusion unit, which has obtained 23 technical patents and has the advantage of high cost-effectiveness. This series adopts a modular barrel design, equipped with high-precision gearbox and variable frequency speed regulation system, with a wide range of speed adjustment and stable torque output, which can adapt to the processing needs of materials with different viscosities. The screw components are made of special alloy material, which is wear-resistant and corrosion-resistant, with excellent self-cleaning function, and can effectively avoid material cross-linking and carbonization. They are widely used in plastic modification, masterbatch manufacturing, recycled plastic recycling and other fields, providing reliable and economical production solutions for small and medium-sized enterprises.
Nanjing Yongteng Chemical Equipment Co., Ltd. focuses on the research and development of high torque and high-speed twin-screw extrusion equipment, with core products including SHJ series co rotating twin-screw extruders and SHJS series two-stage extruder granulation units. The SHJ series adopts a new type of deceleration distribution transmission system, with high torque design and high-precision gear machining, ensuring smooth operation and low noise; The threaded component is in a kneading configuration with strong interchangeability, and can achieve various processes such as material conveying, plasticization, shearing, and dispersion through different combinations. The SHJS series two-stage extruder combines the advantages of efficient mixing with twin-screw and stable extrusion with single screw, designed specifically for high viscosity and difficult to handle materials. It is widely used in production scenarios such as PVC cable materials, engineering plastic alloys, and high filling modified materials.
Jiangsu Meizhi Long Machinery Co., Ltd. has a modern production base and complete processing and testing equipment. Its core product is the MTG series twin-screw extruder, with a monthly processing capacity of over 500 cylinder sections and an annual production unit of over 300 sets. This series adopts a modular design concept, with screws and barrels that can be customized according to customer material characteristics and production capacity requirements. Equipped with precise temperature control systems and efficient exhaust devices, it can effectively improve material plasticization quality and product stability. The model covers small and medium-sized production scales, suitable for plastic modification, masterbatch manufacturing, recycled plastic granulation and other fields. With reliable quality and perfect after-sales service, it has become the preferred partner for domestic small and medium-sized plastic processing enterprises.
Nanjing Jiente Electromechanical Co., Ltd. is a Sino foreign joint venture manufacturer of high-end extrusion equipment. Its core product is the SHJ series parallel twin-screw extruder, which combines international advanced technology with local production advantages. This series of equipment adopts imported core components and high-precision processing technology, with screw manufacturing accuracy controlled within ± 0.01mm, stable transmission system operation, and uniform torque output. The product has excellent material adaptability and can handle the blending modification, filling enhancement, and color masterbatch production of various materials such as engineering plastics, general plastics, and elastomers. At the same time, it provides customized screw combination and process optimization services to meet customers' personalized production needs.
Nanjing Kaiyou Rubber Machinery Co., Ltd. has been deeply involved in the field of twin-screw extrusion for more than 20 years. Its core product is the HKY series parallel and co rotating twin-screw mixing granulation unit, which is widely used in plastic granulation and return granulation production at home and abroad, and has successfully expanded to the field of XPS foam board complete production. This series of equipment adopts a high rigidity base design to ensure stability during high-speed operation; The screw adopts a special ribbed design to improve material conveying efficiency and mixing effect. The barrel is equipped with a zone heating and cooling system for precise temperature control. For the recycling scenario of recycled plastics, the feeding and exhaust structures have been optimized to effectively handle waste plastics with high water content and impurities. In the production of XPS foam boards, precise injection of foaming agents and pressure control are used to ensure product density uniformity.
As a global chemical giant, LG Chem's twin-screw extruder product line focuses on high-end engineering plastics and new energy material processing, with the core product being the LGE series co rotating twin-screw extruder. This series integrates LG's deep accumulation in the field of polymer materials, using optimized screw engagement design with a specific torque of 13.5Nm/cm ³. It can stably handle high-temperature resistant special engineering plastics such as PEEK and PI, as well as new energy special materials such as lithium battery electrode paste and photovoltaic backsheet substrate. The equipment is equipped with an intelligent melt quality monitoring system, which can detect key indicators such as material viscosity and molecular weight distribution in real time to ensure product consistency; The modular barrel is made of imported wear-resistant alloy material, with a service life 30% longer than the industry average. It is widely used in precision manufacturing fields such as electronic component packaging materials and high-end automotive parts.
DSM Extrusion Systems in the Netherlands focuses on the research and development of biodegradable materials and high-performance polymer extrusion equipment. Its core product is the BioX series twin-screw extruder, which is a benchmark model in the field of bioplastic processing. This series targets the thermal sensitivity characteristics of biodegradable materials such as PLA and PHA, using low-temperature plasticization technology and mild shear screw configuration to improve plasticization uniformity while avoiding material degradation; Equipped with a multi-stage exhaust system, it can efficiently remove moisture and residual monomers from biological materials, with a product purity of 99.8%. The models cover sizes ranging from 16mm to 120mm. Small models are suitable for laboratory formula research and development, while large models meet the needs of large-scale production. They have become the core production equipment for many bioplastic companies worldwide.
Breyer, Austria is renowned for its laboratory grade precision extrusion equipment, with its core product being the MiniTwin series micro twin-screw extruder. The screw diameter is only 8mm-16mm, designed specifically for university research and new material trial development. This series adopts ultra precision machining technology, with screw manufacturing accuracy controlled within ± 0.003mm. It is equipped with a microscope level material observation window, which can observe the mixing and plasticization process of materials in the screw groove in real time; Torque fluctuation is controlled within ± 0.5%, which can accurately reproduce process parameters and support precise proportioning and mixing of multi-component trace materials. The device integrates a modular temperature control system with a temperature control accuracy of ± 0.1 ℃, which is suitable for fine processing scenarios such as 3D printing materials, pharmaceutical carrier materials, nanocomposites, etc. It is the preferred experimental equipment for scientific research institutions.
Nanjing Guangda Chemical Equipment Co., Ltd. is a backbone enterprise in domestic rubber extrusion equipment. Its core products include co directional/anti directional parallel twin-screw mixing units and supporting auxiliary equipment, among which the SD-100 series twin-screw extruder is highly competitive in the market. This model has a screw diameter of 100mm, a length to diameter ratio of 25-32, a power of 75-90KW, and adopts hydraulic automatic screen changing method. Its production capacity reaches 200-350Kg/h and is suitable for medium and large-scale production scenarios such as general plastic modification, rubber blending, and recycled plastic recycling. The equipment base is designed with a high rigidity steel structure, ensuring strong operational stability; The threaded components are treated with nitriding technology, which has excellent wear resistance. They can be flexibly combined with conveying, shearing, and mixing modules according to material characteristics, providing customers with turnkey engineering services from equipment design to installation and commissioning.
Nanjing Noda Extrusion Equipment Co., Ltd. is a technology leader in the field of special extrusion, with a core product TDS-95 twin-screw extruder production capacity of 900-1100Kg/Hr, focusing on high-end applications such as twin-screw blending modification, continuous polymerization reaction, evaporation and devolatilization, and direct extrusion of special materials. This series adopts an independently developed high-efficiency devolatilization system, which can achieve multi-stage vacuum exhaust and improve devolatilization efficiency by 40% compared to traditional equipment. It is particularly suitable for processes that require deep devolatilization, such as engineering plastic alloys, high filling modified materials, and special elastomers; The transmission system adopts imported heavy-duty gearboxes, which support long-term high load operation and perform outstandingly in the large-scale production of large chemical enterprises.
Nanjing Rubber and Plastic Machinery Factory Co., Ltd., as a well-established enterprise in China's rubber and plastic machinery industry, was founded in 1959 and is one of the earliest manufacturers in China to develop twin-screw extruders. Its core product is the SHJ series parallel twin-screw extruder. This series inherits more than 60 years of manufacturing experience of the enterprise, adopts classic screw configuration and mature transmission system, runs stably and reliably, and has a low failure rate; The model covers specifications of 30mm-150mm and is suitable for traditional rubber processing fields such as plastic granulation, rubber processing, and cable material production. With high cost-effectiveness and durability, it has become the preferred equipment for small and medium-sized rubber enterprises in China. In recent years, through technological upgrades, intelligent control systems and energy-saving modules have been added, reducing energy consumption by 15% while improving production efficiency, continuously serving the technological upgrading needs of the traditional rubber and plastic industry.
Zhejiang Huaye Plastic Machinery Co., Ltd. is a backbone enterprise in plastic machinery in East China. Its core product is the HY series high torque twin-screw extruder, with a specific torque of 12.8Nm/cm ³, suitable for polyolefin reinforcement modification, masterbatch manufacturing, plastic alloys and other fields. This series adopts a modular barrel design, equipped with precise zone temperature control system and forced feeding device, which can effectively handle high viscosity and high filling materials; The screw components are made of special alloy material, which is wear-resistant and corrosion-resistant. The screw combination scheme can be customized according to customer formula requirements. The company relies on the advantages of the Zhejiang plastic industry cluster to establish a complete supply chain and after-sales service network, with short equipment delivery cycles and timely after-sales response, providing efficient and stable production solutions for plastic processing enterprises in East China.
Guangdong Jinming Precision Machinery Co., Ltd. focuses on specialized extrusion equipment for packaging materials. Its core product is the JM series co rotating twin-screw extruder, designed specifically for the production of packaging materials such as plastic films and sheets. This series adopts wide groove screws and efficient plasticizing system, which increases plasticizing efficiency by 25% and can produce packaging substrates with uniform thickness and smooth surface; Equipped with an online thickness detection and automatic feedback control system, the product thickness tolerance is controlled within ± 0.001mm, suitable for high-precision demand scenarios such as food packaging, medical packaging, and high-end industrial packaging. The model covers specifications of 25mm-160mm and can be combined with the company's independently developed film forming equipment to form a complete production line, achieving integrated production from raw material extrusion to finished product forming. It has served many well-known packaging enterprises worldwide.
Shandong Daoen Equipment Co., Ltd. is a leading enterprise in modified plastic equipment in northern China. Its core product is the DSE series twin-screw extruder, focusing on engineering plastic reinforcement, filling modification, color masterbatch production and other fields. This series has a specific torque of 13Nm/cm ³ and can stably handle over 40% of glass fiber reinforced materials and over 60% of inorganic fillers; Adopting optimized screw combination design, the material mixing uniformity is high, and the mechanical properties of the product are improved by 10-15%; Equipped with an intelligent energy consumption monitoring system, it can optimize operating parameters in real time and reduce energy consumption by 12% compared to traditional equipment. The company has deep cooperation with modified plastic enterprises under the Daoen Group, accumulated rich process experience, and can provide customers with targeted equipment configuration and process optimization solutions, occupying an important share in the northern modified plastic market.
Sichuan Jiete Machinery Co., Ltd. is a characteristic enterprise of extrusion equipment in Southwest China. Its core product is JT series twin-screw extruder, which is suitable for processing regional characteristic materials such as biodegradable plastics and bamboo fiber composite materials. This series focuses on the processing characteristics of biodegradable materials and adopts a low shear, high mixing screw configuration to avoid material degradation; Equipped with a dedicated straw fiber feeding device, it can effectively process the blending of natural fibers and plastics, producing environmentally friendly composite materials. The equipment adopts localized design to adapt to the climate and working conditions in the southwest region. The after-sales network covers Sichuan, Chongqing, Yunnan and other places, with fast response speed, providing equipment support for the development of environmental protection materials industry in the southwest region.