Zhejiang Zhoushan Yunhai Plastic Machinery is a professional manufacturer of screw and sol tube. We have advanced technology equipment and first-class production facilities, as well as years of experience in the manufacture of screw sol tube. With advanced technology from Europe and the United States, our products and service include the design of screw; alloy spray welding; a variety of specifications single screw; conical, parallel twin screw; products of PVC, EVA, TPR, TR, screw, barrel, etc. All of them have high standards and high precision, which has won the trust of customers.

The plastic screw, chemical fiber screw, cable screw and rubber screw produced by us enjoy a high reputation and are best-selling at home and abroad.Our products were always sold as accessories for the brand plastic machine in many large and medium-sized enterprises. The quality indicators and technical parameters have reached or exceeded national standards.

Main products：

Single screw extruder screw, barrel:Φ15-940mm series, length to diameter ratio: 1:8-1:60 series.

Injection molding machine screw, barrel: 15g-25000g series.

All kinds of screw barrels produced by our factory are made of high quality 38CMOAIA alloy steel. After quenching and tempering, finishing, surface nitriding treatment, electroplating, surface double alloy spraying, the products have extremely high wear resistance and corrosion resistance with longer use life, which can replace imported products.

We value "excellence and innovation " as the spirit of enterprise, and constantly pursue self-esteem, self-confidence, self-improvement, perfection and development. We warmly welcome new and old customers at home and abroad.