68-71 Stone / Glass
"COMPANY INTRODUCTION 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. Selection of high quality steel products(38CrMoAIA) NITRIDE Huijin through modulation, qualitative and nitride (or spraying alloy), fine grinding, polishing and other manufacture processes carefully, screw types include gradient type, mutation type, wave type, double screen type, cone type, shunt type, separate type, exhaust type, pin type, multi variant three, mixed type, double head, long type, granulation type etc. Barrel screw compression ratio designed according to different products and different formulations."
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