Zhejiang Yujin Plastic Machinery Co., Ltd. is a research and development oriented production enterprise specializing in the field of special working condition injection molding, specializing in the production of high-precision fully hardened screws and bimetallic pipe components. Collaborating with world-renowned steel manufacturers for raw materials and heat treatment, combined with CNC and tooth bottom grinding equipment, we truly synchronize with international standards from raw materials to production processes. After ten years of unremitting efforts and development, it has become the largest production manufacturer in the field of screw material pipes for special working conditions in China.