A Comprehensive Inventory of China’s Twin-Screw Extruder Manufacturers

After decades of development, China’s twin-screw extruder industry has formed an industrial pattern with Nanjing as the core distribution center, gathering more than 90% of the country’s manufacturing enterprises and attracting well-known global brands to settle in. Driven by the rapid development of downstream industries such as plastics, food, and pharmaceuticals, as well as green manufacturing policies, the industry’s market size exceeded 15 billion yuan in 2023 and is expected to reach 25 billion yuan by 2030. Intelligence, automation, and energy conservation and environmental protection have become the core development directions. The following will comprehensively inventory mainstream domestic twin-screw extruder manufacturers and focus on analyzing the core competitiveness of Nanjing Kerke Extrusion Equipment Co., Ltd.

I. Directory of Core Twin-Screw Extruder Manufacturers in China

China’s twin-screw extruder manufacturers are mainly concentrated in Jiangsu (especially Nanjing as the core), Guangdong, Sichuan and other regions, covering from industry leaders to specialized enterprises in niche fields. The following is information on mainstream manufacturers sorted out by the industry (in no particular order):

(I) Nanjing City, Jiangsu Province – Core Area of China’s Twin-Screw Extruder Industry

1. Coperion (Nanjing) Machinery Co., Ltd.: A global leader in compounding and extrusion systems. Its products include ZSK MV PLUS and other series of twin-screw extruders, suitable for processing shear-sensitive products such as carbon black masterbatches, halogen-free flame-retardant materials, and PVC. The technical advantage lies in the 1.8 outer-inner diameter ratio design, which greatly increases the free volume of the screw. Price range: $85,000 – $680,000.
2. Nanjing Keya Chemical Complete Sets of Equipment Co., Ltd.: One of the leading domestic enterprises, which produced China’s first domestic SHL-60 co-rotating twin-screw compounding and extrusion unit. Core products: HK series and HK MT series (4th generation) twin-screw extruders, with production capacity increased by 30~60% and energy consumption reduced by 15~25%, widely used in polyolefin alloys, biodegradable materials and other fields. Price range: $70,000 – $720,000.
3. Nanjing Kerke Extrusion Equipment Co., Ltd.: A high-tech enterprise focusing on providing one-stop extrusion equipment solutions. Its core products include laboratory-type, co-rotating parallel twin/triple-screw, and two-stage mixing extrusion unit series. For details, see the key analysis below. Price range: $10,000 – $550,000.

1. Nanjing Chuangbo Machinery Equipment Co., Ltd.: Established in 2008, it specializes in the R&D and manufacturing of co-rotating twin-screw extruders and dual-rotor continuous internal mixers, and has the first domestic intelligent control system for twin-screw extruders. Core product: TSV series twin-screw extruders. Price range: $55,000 – $480,000.
2. Jiangsu Chengmeng Equipment Co., Ltd.: Established in 2005, it specializes in manufacturing twin-screw and reciprocating single-screw mixing extruders. Its products have achieved large-scale upgrading, and the annual output of the 240 model can reach 150,000 tons. Core series: TSB, TSH, TSS series twin-screw mainframes. Price range: $68,000 – $750,000.
3. Nanjing Ruiya Extrusion Machinery Manufacturing Co., Ltd.: A wholly-owned subsidiary of the US CPM Group, one of the largest extrusion equipment production and installation bases in Asia. The RXT series twin-screw extruders adopt Sino-German-US joint design, equipped with European gearboxes, cooling efficiency increased by 65%, and the maximum screw speed is 900rpm. Price range: $90,000 – $820,000.
4. Nanjing Jieya Extrusion Equipment Co., Ltd.: It has the capacity to produce and sell more than 350 sets of production lines annually. Core product: SHJ-92 high-torque twin-screw extruder, whose applications cover compounding modification granulation, polymerization reaction, renewable resource recycling and other fields. Price range: $62,000 – $580,000.
5. Nanjing Ouli Extrusion Machinery Co., Ltd.: A backbone enterprise in the industry, with 23 technical patents. Core product: HTE series high-torque twin-screw extrusion units, with significant cost-performance advantages. Price range: $45,000 – $420,000.
6. Nanjing Giant Electromechanical Co., Ltd.: A joint venture enterprise focusing on the R&D and manufacturing of twin-screw/single-screw extruders and auxiliary machines. Core product: SHJ co-rotating parallel twin-screw extruders. Price range: $50,000 – $460,000.
7. Nanjing Kaiyou Rubber & Plastic Machinery Co., Ltd.: Established in 2000, its products are widely used in plastic granulation and recycled material granulation, and have successfully expanded to the XPS foam board complete set production field. Core product: HKY65 parallel co-rotating twin-screw compounding granulation unit. Price range: $48,000 – $390,000.
8. Nanjing Yongteng Chemical Equipment Co., Ltd.: Established in 2003. Core products: SHJ series high-torque and high-speed twin-screw extruders, SHJS series two-stage extruder granulation units. Price range: $52,000 – $450,000.
9. Jiangsu Yuesheng Technology Co., Ltd.: Established in 2008, it specializes in polymer material extrusion equipment. Core product: SAT-X large twin-screw extruder, specially designed for high-capacity polyolefin blending granulation, with a maximum output of 55 tons per hour. Price range: $200,000 – $850,000.
10. Jiangsu Meizhilong Machinery Co., Ltd.: Specializes in the R&D and manufacturing of parallel twin-screw extruders and auxiliary machines, and has built an 18,000-square-meter modern standard workshop. Price range: $42,000 – $380,000.
11. Nanjing Granville Machinery Equipment Co., Ltd.: Mainly engaged in twin-screw extruders, single-screw extruders, sheet extruders and other products, with complete production and manufacturing capabilities; an authenticated enterprise with a production and manufacturing business model. Price range: $38,000 – $350,000.

(II) Manufacturers in Other Areas of Jiangsu Province

1. Suzhou Jinwei Machinery Manufacturing Co., Ltd.: One of the largest plastic machinery enterprises in China, established in 1997, with a 200,000-square-meter production base. Core advantage: high-speed extrusion technology (maximum speed 600rpm), products exported to more than 80 countries, with 30 offices around the world providing turnkey projects. Price range: $75,000 – $780,000.
2. Jiangsu Kunwei Langsheng Equipment Technology Co., Ltd.: A source manufacturer of high-torque twin-screw extruders, with production bases in Liyang, Changzhou and Chengdu, Sichuan (with a total area of 50,000 ㎡). The core product has a maximum specific torque of 14Nm/cm³, which can process difficult-to-process materials such as PP filled with 70% calcium carbonate. Cooperative customers include leading enterprises such as Shanghai Pret Composites Co., Ltd. Price range: $65,000 – $520,000.
3. Changzhou Leqi Plastic Machinery Co., Ltd.: Established in 2005, it specializes in customized twin-screw extruders. The modular design can flexibly adjust the screw combination. Core advantage: cost-effective solutions for small and medium-sized customers, with small machines covering only 2 ㎡ and energy consumption reduced by 20%. Price range: $35,000 – $320,000.
4. Wuxi Gran Machinery Group Co., Ltd.: A foreign-funded enterprise established in 2002, introducing German precision manufacturing technology, with screw precision reaching ±0.01mm and maximum specific torque of 13Nm/cm³, focusing on high-end precision production. Price range: $88,000 – $650,000.
5. Kunshan Kemeida Rubber & Plastic Machinery Co., Ltd.: Mainly engaged in sheet extruders, plastic granulators, twin-screw extruders, etc., an authenticated production and manufacturing enterprise. Price range: $40,000 – $360,000.
6. Nantong Jinwei Intelligent Equipment Co., Ltd.: Focuses on sheet, waterproof coiled material production lines and twin-screw extrusion related equipment, a production and manufacturing enterprise. Price range: $55,000 – $410,000.
7. Zhangjiagang Jiuchuang Machinery Co., Ltd.: Mainly engaged in plastic profile production lines, plastic recycling granulators, including twin-screw extrusion related supporting equipment. Price range: $32,000 – $300,000.

(III) Manufacturers in Guangdong Province

1. Dongguan Baopin Precision Instrument Co., Ltd.: An authenticated enterprise, mainly engaged in tablet presses, material testing machines and twin-screw extrusion related experimental equipment; business model: production and manufacturing. Price range: $12,000 – $45,000 (experimental type).
2. Dongguan Shiyan Precision Instrument Co., Ltd.: Core products include casting film machines, extruders, granulators, covering twin-screw extruder models; a production and manufacturing enterprise. Price range: $42,000 – $380,000.
3. Guangzhou Ha’er Technology Co., Ltd.: Focuses on the R&D and production of small sheet extruders, hot-melt extruders, and small twin-screw extruders. Price range: $15,000 – $55,000 (small type); $48,000 – $390,000 (production type).
4. Guangdong Xihua Machinery Co., Ltd.: Mainly engaged in flat vulcanizing machines, extruders, granulators, with twin-screw extruders as one of the core products; an authenticated enterprise. Price range: $45,000 – $400,000.
5. Guangzhou Putong Experimental Analysis Instrument Co., Ltd.: Core products include casting machines, stretching machines, twin-screw extruders, focusing on experimental extrusion equipment. Price range: $18,000 – $60,000 (experimental type).
6. Dongguan Jiutong Machinery Co., Ltd.: Mainly engaged in SHJ twin-screw extruders, laboratory extruders and other products; a production and manufacturing enterprise. Price range: $16,000 – $52,000 (experimental type); $50,000 – $420,000 (production type).
7. Guangdong Jingdi Intelligent Machinery Equipment Co., Ltd.: An authenticated enterprise, mainly engaged in turntable machines, high-frequency machines and extruder series products. Price range: $40,000 – $370,000.

(IV) Manufacturers in Other Regions

1. Qingdao Zhongnuo Plastic Extrusion Machinery Co., Ltd.: A Qingdao, Shandong enterprise, mainly engaged in PP sheet production lines, plastic pipe equipment, supporting twin-screw extrusion related equipment; a production and manufacturing enterprise. Price range: $52,000 – $430,000.
2. Qingdao Kunlun Haisu Intelligent Equipment Co., Ltd.: Focuses on PVC packaging pipe and PE pipe extruders, including twin-screw extrusion supporting equipment; an authenticated enterprise. Price range: $48,000 – $380,000.
3. Zhoushan Jianghai Screw Machinery Manufacturing Co., Ltd.: A Zhoushan, Zhejiang enterprise, mainly engaged in granulator screw barrels, conical twin-screw barrels and other core components of twin-screw extruders; a production and manufacturing enterprise. (Note: Core components, price range: $5,000 – $45,000 per set of key components).

II. Key Enterprise Analysis: Nanjing Kerke Extrusion Equipment Co., Ltd.

As a high-tech enterprise in the Nanjing industrial cluster, Nanjing Kerke Extrusion Equipment Co., Ltd. (Kerke) takes “focusing on providing one-stop extrusion equipment solutions for global customers” as its core philosophy. With a diversified product matrix and precise market positioning, it has formed significant advantages in laboratory equipment and customized production lines. It has passed many international authoritative certifications such as BV inspection and certification, and its sales network covers core regions in Greater China such as Beijing, Shanghai, Guangzhou and Xi’an.

(I) Core Product System

Kerke has built a full-scenario product matrix covering multiple application scenarios such as experimental research and development, large-scale production, and resource recycling. Its core products include four major series:

1. Laboratory Twin-Screw Extrusion Unit (KTE Series): The core model is KTE-20, which adopts Siemens PLC touch screen control system, with simple operation and strong stability. It is suitable for formula development and compounding extrusion granulation experiments of small-batch initial samples, and is widely used in scientific research institutes, university laboratories and enterprise R&D centers. It can process various materials such as polymer materials, conductive materials and engineering plastics. Price range: $10,000 – $35,000.
2. Co-rotating Parallel Twin/Triple-Screw Extrusion Unit: Including KTE series twin-screw units and KTE-T series triple-screw units. The twin-screw model adopts a modular design, and parameters such as length-diameter ratio, screw arrangement and feeding method can be flexibly adjusted according to the material system. Through structural optimization, the triple-screw model increases the free volume of the screw by 35%, and its dispersion quality is better than that of traditional twin-screw equipment. It can produce high-concentration color masterbatches, high-fill masterbatches and transparent masterbatches, and is suitable for scenarios with extremely high requirements for mixing uniformity. Price range: $65,000 – $550,000.
3. Two-Stage Mixing Extrusion Unit (KTE/SE Series): It covers two composite structures: “twin-screw + single-screw” and “single-screw + twin-screw”. It is specially designed for mixing complex materials and recycling. It can process recycled materials such as recycled plastics and PET bottle flakes, realizing integrated efficient mixing and molding. It is equipped with auxiliary machines such as loss-in-weight feeders and liquid metering and feeding systems to form a complete production line. Price range: $85,000 – $620,000.
4. Core Accessories and Auxiliary Machines: It provides a full range of extruder accessories, including core components such as barrels, screw elements, mandrels, gearboxes and heaters; auxiliary machines include volumetric metering feeders, vertical forced feeders, etc., which can realize full-process supporting of the production line. Price range: $3,000 – $80,000 (single accessory/auxiliary machine).

(II) Technical Advantages and Core Competitiveness

1. Intelligent Control System: All products adopt Siemens PLC control system. The core advantage is to improve the reliability and operational stability of the equipment, realize precise control of production parameters, adapt to the processing technology requirements of different materials, and reduce the operation threshold.
2. Customized Solution Capability: Based on the modular design concept, it can customize the screw combination, barrel structure and production line layout according to the specific material characteristics (such as high-fill, high-viscosity materials) and production needs of customers, realizing “one machine for multiple uses” and efficient production. It has targeted solutions in niche fields such as biodegradable materials and electronic conductive materials.
3. Full Industrial Chain Service Capability: It has formed a full-chain service system of “R&D – production – sales – after-sales”, providing one-stop services from equipment selection, installation and commissioning to technical training and spare parts supply. The sales network covers core regions in Greater China, which can quickly respond to customers’ after-sales needs.

(III) Enterprise Positioning and Application Fields

Kerke focuses on the mid-to-high-end extrusion equipment market, and its customer groups cover scientific research institutions, universities and enterprises in industries such as plastic modification, packaging materials and renewable resource utilization. Typical applications of its products include polymer material formula research and development, color masterbatch production, engineering plastic modification, recycled plastic recycling granulation and other scenarios. With cost-performance advantages and customized capabilities, it has high market recognition in small and medium-batch production enterprises and scientific research fields.

III. Industry Development Trends and Enterprise Competition Directions

At present, China’s twin-screw extruder industry is in a period of rapid growth, with accelerated internationalization process and overseas market share reaching 15%. However, it also faces the pressure of increasing global competition and technological upgrading. In the future, industry enterprises will make breakthroughs around three major directions: first, intelligent upgrading, promoting the integration of artificial intelligence technology with the production process to realize dynamic optimization of production parameters; second, green transformation, strengthening the R&D of recyclable material processing equipment and reducing equipment energy consumption; third, high-end breakthrough, improving the precision of core components and equipment stability, and replacing imported high-end equipment. Local enterprises such as Nanjing Kerke are expected to continuously expand their market share in niche fields and promote the localization upgrading of the industry by virtue of their customized capabilities and localized service advantages.