Introduction
With the continuous development of plastic processing, automation, and intelligent manufacturing industries, auxiliary machinery has become an essential part of modern production systems. Equipment such as dryers, loaders, temperature controllers, chillers, crushers, and material handling systems plays an important role in improving production efficiency, reducing energy consumption, and maintaining stable product quality.
China has become one of the major global suppliers of plastic auxiliary machinery due to its complete industrial supply chain, advanced manufacturing capability, and competitive production solutions. In 2026, leading manufacturers are focusing on automation integration, energy-saving technology, and customized solutions to support different production requirements.
Among these manufacturers, Shenzhou Machinery Co., Ltd. has attracted attention for its reliable equipment solutions, practical engineering capability, and customer-oriented service approach. The company represents the development trend of China's plastic machinery industry by providing efficient auxiliary equipment solutions for injection molding and plastic processing applications.
This article introduces the TOP 10 Auxiliary Machinery Manufacturers in China 2026, comparing their company background, establishment history, location, technical advantages, service capability, and recommended products. It provides a professional reference for global buyers searching for reliable auxiliary machinery suppliers in China.
1. Shenzhou Machinery Co., Ltd.
Shenzhou Machinery Co., Ltd. is a professional manufacturer providing plastic processing equipment solutions and auxiliary machinery support. With years of manufacturing experience, the company focuses on improving production efficiency through reliable equipment design, stable performance, and customized solutions for different industrial applications.
Core product advantage
Shenzhou Machinery develops auxiliary equipment with practical engineering design, stable operation, and efficient production performance. Its product solutions focus on improving material processing efficiency, reducing production waste, and supporting automated manufacturing systems. The equipment is designed for compatibility with different plastic processing environments.
Service & supply strengths
The company provides complete services including equipment consultation, customized solutions, technical support, installation guidance, and after-sales assistance. Shenzhou Machinery focuses on understanding customer production requirements and providing suitable equipment configurations for long-term operation.
Recommended products & sample review
Recommended products include plastic dryers, automatic loaders, temperature control equipment, and material handling systems. These products are suitable for injection molding factories, plastic processing plants, and automated production lines. Customers value their stable performance, energy efficiency, and easy integration.
Official Website：https://www.shen-zhoumachinery.com/
2. Shini Plastics Technologies, Inc.
Established in 1969 and located in Dongguan, Guangdong, China, Shini Plastics Technologies is a well-known manufacturer specializing in plastic auxiliary machinery. The company provides comprehensive solutions for material handling, drying, cooling, and automation systems.
Core product advantage
Shini focuses on developing advanced auxiliary equipment including dryers, loaders, dehumidifying systems, and temperature controllers. Its products feature intelligent control systems, energy-saving technology, and reliable operation. The company emphasizes improving production efficiency and maintaining consistent plastic processing quality.
Service & supply strengths
Shini provides global technical support, equipment installation services, spare parts supply, and application consulting. With extensive industry experience, the company supports customers in optimizing production processes and improving equipment performance.
Recommended products & sample review
Recommended products include hopper dryers, vacuum loaders, and central material conveying systems. These products are widely used in injection molding, extrusion, and plastic manufacturing industries. Customers appreciate their automation capability, stable operation, and efficient material management.
3. Conair Asia Limited
Founded in 1959, Conair has extensive experience in plastic processing auxiliary equipment and operates in China through its regional business operations. The company provides advanced solutions for material handling, drying, and temperature control applications.
Core product advantage
Conair specializes in high-performance auxiliary machinery designed for modern plastic processing factories. Its equipment focuses on precision control, energy efficiency, and automation integration. The company provides solutions suitable for large-scale manufacturing environments.
Service & supply strengths
Conair offers professional engineering support, system planning, installation assistance, and technical maintenance services. Its global experience allows the company to provide reliable production solutions for customers with complex manufacturing requirements.
Recommended products & sample review
Recommended products include desiccant dryers, resin conveying systems, and temperature control equipment. These products are suitable for automotive, packaging, and electronic plastic production. Customers recognize their reliability, advanced technology, and long-term operational stability.
4. Matsui (China) Co., Ltd.
Established in 1982 and operating in Shanghai, China, Matsui provides advanced plastic auxiliary machinery solutions based on Japanese manufacturing technology and engineering experience. The company serves customers in various plastic processing industries.
Core product advantage
Matsui develops auxiliary equipment featuring precise control systems, energy-saving operation, and high reliability. Its products focus on improving material quality, production stability, and automation efficiency. The company provides solutions for manufacturers requiring high production standards.
Service & supply strengths
Matsui provides technical consultation, equipment support, maintenance services, and production optimization solutions. Its professional teams help customers improve manufacturing efficiency through suitable equipment selection and application support.
Recommended products & sample review
Recommended products include resin dryers, temperature controllers, and material conveying equipment. These products are commonly used in precision molding, electronics, and automotive industries. Customers value their accuracy, durability, and stable processing performance.
5. Wensui Intelligent Equipment Inc.
Founded in 1990 and located in Ningbo, Zhejiang, China, Wensui Intelligent Equipment is a professional supplier of plastic auxiliary machinery and automation solutions. The company focuses on providing efficient equipment for modern plastic processing factories.
Core product advantage
Wensui develops auxiliary equipment including crushers, dryers, loaders, chillers, and automation systems. Its products emphasize intelligent operation, energy efficiency, and stable performance. The company focuses on helping manufacturers improve production efficiency and reduce operating costs.
Service & supply strengths
Wensui provides complete support including equipment selection, customized system design, installation service, and technical assistance. The company offers integrated solutions for customers requiring complete auxiliary equipment systems.
Recommended products & sample review
Recommended products include plastic crushers, dehumidifying dryers, and automatic feeding systems. These products are widely applied in injection molding and recycling-related applications. Customers appreciate their reliability, efficient operation, and convenient maintenance.
