Zhoushan Chuangri Screw Machinery Co., Ltd. Zhoushan Chuangri Screw Machinery Co., Ltd. is a professional manufacturer of all kinds of injection molding machine screw, screw, barrel screw, rubber machine screw and its accessories (PE screw, double screw, PVC screw, screw granulation) professional companies, through innovation and development continuously, we have has accumulated rich experience, strong technical force and advanced manufacturing equipment, products through conditioning, oxidation and burning (double metal screw, screw and barrel) and other heat treatment and the use of special machine tool processing, technical requirements of products in accordance with the industry standard. The company's ...