ZheJiang Sanzhong Machinery Ltd was established in 1998, the company is located in China's largest hardware city - Zhejiang province Yongkang city. The company has been engaged in foreign trade and OEM processing production, has long been engaged in plastic molding surrounding automation equipment to map sample processing production; Is the earliest engaged in professional design and manufacture of plastic material metering and mixing system of plastic auxiliary machinery equipment company, has a large number of first-class development and design systems and an experienced technical staff. After more than ten years of technology and experience, grasp the international first-class technology and experience, development and production of all three licensing plastic auxiliary machinery and equipment. After years of development, has now become a material conveying, automatic metering and mixing, drying of experts in the field. Products are mainly plastic color machine, weighing type mixing machine, PET dehumidifying and drying system, vacuum on the feeder, screw feeding machine, the central feeding system and other products, widely used in plastic molding processing, motor vehicles and parts, industrial appliances, electronic communications, medical, chemical, food and beverage, household appliances and other industrial fields. Three everybody's integrity, strength and quality of products won the wide recognition, welcome friends from all walks of life to come to visit, guidance and business negotiation.