2025 Top 10 pet screw barrel Manufacturers in China - Blog

Introduction to PET Screw Barrel

PET (Polyethylene Terephthalate) is a commonly used thermoplastic polymer resin. PET screw barrels are crucial components in plastic processing machinery, especially in systems designed for processing PET materials. They play a vital role in melting, mixing, and conveying the PET resin during the extrusion or injection - molding processes. A high - quality PET screw barrel can ensure uniform melting of the PET, accurate control of the material flow, and high - quality production of PET products such as bottles, fibers, and films. The performance of the screw barrel, including its wear resistance, corrosion resistance, and heat transfer efficiency, directly affects the quality and productivity of the final PET products.

Top 10 Manufacturers

1. Ningbo DW Plastics Machinery Co., Ltd.

Ningbo DW Plastics Machinery Co., Ltd. is a well - established enterprise in the field of plastic machinery. With years of experience in the industry, it has gained a solid reputation for its high - quality products and excellent customer service. The company is committed to continuous innovation and improvement, constantly researching and developing new technologies to meet the evolving needs of the market.

Characteristics in PET Screw Barrel:

Precision Manufacturing: Ningbo DW Plastics Machinery Co., Ltd. uses advanced manufacturing techniques to ensure the high precision of its PET screw barrels. The screw and barrel are designed with accurate dimensions, which can precisely control the melting and conveying of PET materials, resulting in consistent product quality.
Wear - Resistant Materials: The company selects high - quality wear - resistant materials for the screw and barrel. These materials can withstand the high - speed friction and abrasion during the PET processing, extending the service life of the screw barrel and reducing the frequency of replacement.
Customization: It offers customized PET screw barrels according to the specific requirements of customers. Whether it is for different production capacities, product specifications, or processing technologies, the company can design and manufacture suitable screw barrels.

Advantages:

Technical Expertise: The company has a team of experienced engineers and technicians who are proficient in the design and manufacturing of plastic machinery components. Their technical knowledge ensures the high - performance of the PET screw barrels.
Quality Assurance: Ningbo DW Plastics Machinery Co., Ltd. has a strict quality control system in place. From raw material inspection to the final product testing, every step is carefully monitored to ensure that the products meet the highest quality standards.
After - Sales Service: The company provides comprehensive after - sales service, including installation guidance, maintenance training, and spare parts supply. This ensures that customers can operate the equipment smoothly and minimize downtime.

Website: https://www.dw-machinery.com/

2. Nanjing Jieya Extrusion Equipment Co., Ltd.

Nanjing Jieya Extrusion Equipment Co., Ltd. is a leading manufacturer in the extrusion equipment industry. It has a wide range of products, including various types of screw barrels for different plastic materials, with a particular focus on PET. The company has a modern production base equipped with advanced manufacturing and testing equipment.

Characteristics in PET Screw Barrel:

Advanced Design: The PET screw barrels of Nanjing Jieya are designed with the latest extrusion technology. The screw structure is optimized to improve the melting efficiency of PET, reduce energy consumption, and enhance the mixing effect of the material.
High - Temperature Resistance: Considering the high - temperature requirements of PET processing, the company's screw barrels are made of materials with excellent high - temperature resistance. This allows the screw barrels to maintain stable performance even under high - temperature conditions, ensuring the quality of the PET products.
Good Heat Transfer Performance: The design of the screw barrel also takes into account the heat transfer efficiency. It can quickly and evenly transfer heat to the PET material, promoting uniform melting and reducing the processing time.

Advantages:

Research and Development Capability: The company invests heavily in research and development. It continuously explores new materials and design concepts to improve the performance of its PET screw barrels. This enables it to stay ahead of the competition in the market.
Large - Scale Production: With a large - scale production base, Nanjing Jieya can meet the large - volume orders of customers in a timely manner. It has a high - efficiency production process that ensures the delivery of products on schedule.
Industry Experience: Having been in the industry for many years, the company has accumulated rich experience in the production of extrusion equipment. This experience is reflected in the quality and reliability of its PET screw barrels.

3. Zhangjiagang City Chenrui Machinery Co., Ltd.

Zhangjiagang City Chenrui Machinery Co., Ltd. is a professional manufacturer of plastic machinery. It has a complete production line for manufacturing screw barrels, from raw material cutting to the final surface treatment. The company focuses on providing high - quality and cost - effective products to its customers.

Characteristics in PET Screw Barrel:

Cost - Effective: The company aims to provide cost - effective PET screw barrels without sacrificing quality. It optimizes the production process and sourcing of raw materials to reduce production costs, which are then passed on to the customers.
Surface Treatment Technology: The screw barrels of Zhangjiagang Chenrui are treated with advanced surface treatment technologies. These treatments improve the corrosion resistance and wear resistance of the screw barrels, increasing their service life.
Flexible Production: It can adjust the production volume and specifications of PET screw barrels according to the market demand. Whether it is a small - batch order or a large - scale production, the company can handle it efficiently.

Advantages:

Customer - Oriented Service: Zhangjiagang City Chenrui Machinery Co., Ltd. puts the customer at the center of its business. It provides personalized service, from product consultation to after - sales support, ensuring that customers are satisfied with the entire purchasing process.
Quality Control System: The company has a strict quality control system that covers every aspect of production. This ensures that the PET screw barrels meet the required quality standards and perform well in actual use.
Local Advantage: Located in Zhangjiagang, a well - known plastic machinery manufacturing base in China, the company can easily access the necessary resources and industry information, which is beneficial for its product development and market expansion.

4. Shanghai Jwell Machinery Co., Ltd.

Shanghai Jwell Machinery Co., Ltd. is a globally recognized manufacturer of plastic extrusion machinery. It has a strong R & D team and a wide range of production facilities. The company's products are exported to many countries and regions around the world.

Characteristics in PET Screw Barrel:

International - Standard Quality: Shanghai Jwell adheres to international quality standards in the production of PET screw barrels. The products are designed and manufactured with high precision, ensuring that they can meet the strict requirements of global customers.
Innovative Design Concepts: The company continuously introduces innovative design concepts into the development of PET screw barrels. For example, it may use new screw geometries or barrel structures to improve the processing performance of PET.
Comprehensive Product Range: Shanghai Jwell offers a comprehensive range of PET screw barrels for different applications, such as single - screw and twin - screw extrusion systems. This allows customers to choose the most suitable product according to their specific needs.

Advantages:

Global Market Presence: With its products being sold worldwide, Shanghai Jwell has a good understanding of the international market. It can adapt its products to different market requirements and cultural backgrounds, enhancing its competitiveness on a global scale.
Strong R & D Investment: The company invests a large amount of resources in research and development. This enables it to keep up with the latest technological trends and continuously improve the performance of its PET screw barrels.
Brand Reputation: Shanghai Jwell has a well - established brand reputation in the plastic machinery industry. Customers trust the quality and reliability of its products, which gives the company an edge in the market.

5. Wuxi Xinyue Extrusion Machinery Co., Ltd.

Wuxi Xinyue Extrusion Machinery Co., Ltd. is a specialized manufacturer of extrusion machinery and its components. It has a long - standing history in the industry and is known for its high - quality products and reliable service.

Characteristics in PET Screw Barrel:

Fine - Tuned Screw Design: The PET screw barrels of Wuxi Xinyue are designed with a fine - tuned screw structure. This design can precisely control the flow rate and pressure of the PET material during the extrusion process, resulting in high - quality PET products.
Material Compatibility: The company carefully selects materials for the screw barrel to ensure good compatibility with PET. This helps to prevent material adhesion and degradation, improving the overall processing efficiency.
Ease of Maintenance: The design of the screw barrel also takes into account the ease of maintenance. It is easy to disassemble and clean, reducing the maintenance time and cost for the customers.

Advantages:

Skilled Workforce: Wuxi Xinyue has a team of skilled workers who are experienced in the manufacturing of extrusion machinery components. Their craftsmanship ensures the high - quality production of PET screw barrels.
Quality - First Principle: The company adheres to the quality - first principle. It strictly controls the quality of every production step, from material selection to the final inspection, to ensure that the products meet the highest standards.
Long - Term Customer Relationships: Over the years, the company has established long - term relationships with many customers. This is due to its reliable products and excellent service, which have won the trust and loyalty of the customers.

6. Guangdong Jinming Machinery Co., Ltd.

Guangdong Jinming Machinery Co., Ltd. is a well - known enterprise in the plastic machinery manufacturing industry. It has a wide range of products, including PET screw barrels, which are widely used in various plastic processing applications.

Characteristics in PET Screw Barrel:

Multi - Function Design: The PET screw barrels of Guangdong Jinming are designed with multi - function features. They can be used for different PET processing methods, such as extrusion, injection molding, and blow molding, providing more flexibility for the customers.
High - Pressure Resistance: The screw barrels are capable of withstanding high pressures during the PET processing. This is important for ensuring the proper flow and shaping of the PET material, especially in high - pressure applications.
Good Sealing Performance: To prevent material leakage, the company's screw barrels have excellent sealing performance. This helps to maintain the stability of the processing process and improve the quality of the PET products.

Advantages:

Industry Leadership: Guangdong Jinming is a leader in the plastic machinery industry. It has a strong influence on the market and can drive the development of the industry through its technological innovation and product improvement.
Complete Product Portfolio: In addition to PET screw barrels, the company offers a complete range of plastic machinery products. This allows customers to purchase all the necessary equipment from a single source, providing convenience and cost - savings.
Service Network: The company has an extensive service network. It can provide timely after - sales service to customers, ensuring that any problems can be quickly resolved.

7. Jiangsu Kexin Extrusion Equipment Co., Ltd.

Jiangsu Kexin Extrusion Equipment Co., Ltd. is a professional manufacturer focusing on extrusion equipment and its components. It has a deep understanding of the PET processing requirements and has developed a series of high - performance PET screw barrels.

Characteristics in PET Screw Barrel:

Optimized Flow Channel Design: The flow channel of the PET screw barrel of Jiangsu Kexin is optimized to ensure smooth material flow. This reduces the pressure drop during the processing, improves the production efficiency, and reduces the energy consumption.
Anti - Corrosion Coating: The screw barrel is coated with an anti - corrosion layer to protect it from the corrosive effects of PET and other additives. This extends the service life of the screw barrel and maintains its performance over time.
High - Precision Machining: The company uses high - precision machining equipment to manufacture the screw barrels. This ensures the accuracy of the dimensions and the surface finish of the screw barrel, which is crucial for the quality of the PET products.

Advantages:

Technical Support: Jiangsu Kexin provides comprehensive technical support to its customers. It can offer advice on equipment selection, installation, and operation, helping customers to make the most of their PET screw barrels.
Cost - Effective Solutions: The company offers cost - effective solutions for PET processing. Its products provide high performance at a reasonable price, making them attractive to customers with different budgets.
Continuous Improvement: Jiangsu Kexin is committed to continuous improvement. It regularly upgrades its products and production processes based on customer feedback and technological advancements.

8. Shandong Huasheng Machinery Co., Ltd.

Shandong Huasheng Machinery Co., Ltd. is a well - respected manufacturer in the plastic machinery field. It has a large production capacity and a wide range of products, including high - quality PET screw barrels.

Characteristics in PET Screw Barrel:

Robust Structure: The PET screw barrels of Shandong Huasheng are designed with a robust structure. They can withstand the heavy - duty operation in the PET processing industry, ensuring long - term reliable performance.
Efficient Mixing Function: The screw design of the company's screw barrels is optimized for efficient mixing of PET materials. This helps to achieve uniform melting and distribution of additives, resulting in high - quality PET products.
Temperature Control Capability: The screw barrels have good temperature control capability. They can accurately maintain the required temperature during the PET processing, which is essential for the quality and consistency of the final products.

Advantages:

Large - Scale Production Capacity: Shandong Huasheng has a large - scale production capacity, which allows it to meet the large - volume orders of customers in a short time. This is beneficial for customers who need to quickly expand their production.
Quality - Controlled Production: The company has a strict quality - controlled production process. Every product is inspected carefully to ensure that it meets the quality standards before leaving the factory.
Local Resources Advantage: Located in Shandong, the company can take advantage of the local resources, such as raw materials and labor, to reduce production costs and improve the competitiveness of its products.

9. Zhejiang Dali Machinery Co., Ltd.

Zhejiang Dali Machinery Co., Ltd. is a professional manufacturer of plastic machinery and its components. It has a long - term focus on the development and production of high - performance PET screw barrels.

Characteristics in PET Screw Barrel:

Advanced Cooling System: The PET screw barrels of Zhejiang Dali are equipped with an advanced cooling system. This system can effectively control the temperature of the screw barrel during the PET processing, preventing over - heating and ensuring the stability of the processing process.
Precise Metering Function: The screw design allows for precise metering of the PET material. This is important for accurate control of the product weight and quality, especially in applications where strict quality requirements are needed.
Modular Design: The company uses a modular design for its screw barrels. This makes it easy to replace and upgrade different parts of the screw barrel, reducing the maintenance cost and downtime.

Advantages:

Technical Innovation: Zhejiang Dali is committed to technical innovation. It continuously introduces new technologies and design concepts into the production of its PET screw barrels, keeping its products at the forefront of the industry.
Customer - Centric Approach: The company takes a customer - centric approach. It listens to the needs of customers and provides customized solutions to meet their specific requirements.
Industry Reputation: Over the years, Zhejiang Dali has built a good reputation in the industry. Its high - quality products and reliable service have won the trust of many customers.

10. Tianjin Zhongde Extrusion Equipment Co., Ltd.

Tianjin Zhongde Extrusion Equipment Co., Ltd. is a leading manufacturer of extrusion equipment in northern China. It has a strong R & D and manufacturing capability, and its PET screw barrels are well - received in the market.

Characteristics in PET Screw Barrel:

High - Torque Transmission: The PET screw barrels of Tianjin Zhongde are designed to transmit high torque. This is important for processing high - viscosity PET materials, ensuring smooth extrusion and high - quality product output.
Good Wear and Corrosion Resistance: The company uses high - quality materials and advanced surface treatment methods to improve the wear and corrosion resistance of the screw barrels. This extends the service life of the equipment and reduces the operating cost.
Integrated Design: The screw and barrel are designed in an integrated way, which improves the overall performance of the PET screw barrel. It ensures better alignment and cooperation between the screw and the barrel, resulting in more efficient processing.

Advantages:

Geographical Advantage: Located in Tianjin, a major industrial city in China, the company can easily access advanced technologies, talent, and market information. This geographical advantage helps it to develop and produce high - quality PET screw barrels.
R & D and Manufacturing Synergy: Tianjin Zhongde has a good synergy between R & D and manufacturing. The R & D team can quickly translate new ideas into practical products, and the manufacturing department can ensure the high - quality production of these products.
After - Sales Support: The company provides comprehensive after - sales support, including on - site maintenance, spare parts supply, and technical training. This ensures that customers can operate the equipment smoothly and get timely help when needed.

Conclusion

The top 10 PET screw barrel manufacturers in China, as introduced above, all have their own unique characteristics and advantages in the production of PET screw barrels. Ningbo DW Plastics Machinery Co., Ltd. stands out with its precision manufacturing and excellent after - sales service. Other companies such as Nanjing Jieya, Zhangjiagang Chenrui, and Shanghai Jwell also have their own strengths, whether it is in advanced design, cost - effectiveness, or global market presence.

These manufacturers play a crucial role in the development of the PET processing industry in China. Their high - quality products not only meet the domestic market demand but also have a certain influence in the international market. With continuous technological innovation, improvement in production processes, and focus on customer needs, these manufacturers are expected to further enhance their competitiveness and contribute to the sustainable development of the PET processing industry in the future.