ZhouShan Jinxing Plastic Machinery Factory, through more than thirty years development, has already become one of the domestic and international manufacturer specializing in manufacturing screws and cylinders for plastics machine. �Jinxing� brand screws and cylinder, have already become one of the most famous brand in China. �Jinxing screw, Jinjing trademark�. Our factory, with the largest process condition, superior equipment, advanced and powerful technology as well as the strict examination. Our products, cooperate with more than 100 largest injection molding machine, Bimetallic screw and barrel, conical twin-screw, parallel twin-screw, extrude machine, lamination machine, extrusion film blowing machine, shoemaking machine, EVA, TPU, TR, crystal, monochrome machine, two-color blower, Hardened reducer manufacturer in domestic, and also export to Europe, America, Middle East, and other countries and regions. ZhouShan Jinxing Plastic Machinery Factory, continuously pursues self-respect, self-confidence, self-powerfulness, perfection and development as the enterprise spirit keeping improvement and struggle and innovation, and establishes good quality and credit at home and oversea by �Jinjing� mark. To the quality of survival, Human oriented, strictly according to drawing production, pay attention to the production process, strict inspection system.especially for screw, cylinder. our factory using a special alloy steel materials, heat treatment quenched and tempered and strict nitriding process, and the special machine tool for finishing. Thereby ensure the screw of the straightness, hardness, depth, and geometry accuracy. and improve the service life of the screw.