all kinds of high precision Screw and Barrel For Plastic Machine,the enterprises, products such as Products are widely used in domestic and foreign brands of injection molding machine, extrusion machine, film blowing machine, drawing machine, recycling machine ,other plastic molding machine. To meet our customers higher demands on the products, Huijin screw innovation, excellence, Huijin products with high precision, strong wear resistance, corrosion resistance and other advantages, and for customers to solve all kinds of plastic products, and plastic molding and other production problems.Barrel screw compression ratio designed according to different products and different formulations.