Zhoushan Dinghai Huijin plastic machinery factory is a  professional manufacture all kinds of high precision barrel screw, the enterprises, products are widely used in domestic and foreign brands of injection molding machine, extrusion machine, film blowing machine, drawing machine, rubber and plastic machinery. 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.