ZHOUSHAN JINGAI ALLOY PRECISION CASTING CO.,LTD. At the cheaper cost and accurate delivery time, to provide customers with high quality screw and barrels Jingai Alloy Precision Casting Co.,Ltd is professional China bimetallic screw barrels manufacturers, and Extruder screw barrel company, In the incentive market competition, the essence of resistance by the good faith, service, in the superior quality, and the real price under the premise of the company's technical staff is also time for customers to solve various questions and problems, if you need, we are willing to take the good faith attitude, the cheaper price, high quality common development with you,Cost reduction, quality assurance, reputation, timely delivery, this is our company's business objectives ZHOUSHAN JINGAI ALLOY PRECISION CASTING CO.,LTD. Yaluo screw is specialized in manufacturing precision plastic screw and barrel.Over the years,the main products are Nitriding screw and barrel,bimetallic alloy screw and barrel,stainless steel screw and barrel.fully hardened screw,Conical twin screw barrel, high-speed tool steel screw and barrel which will be used at extruder and injection molding machine.they are used at extruder,such as single screw barrel,parallel twin-screw barrel,concial twin-screw barrel which used in the production plate,sheet,pipe,blow molding machine,blown film machine,the feed machine,packaging machine,foam machine,granulator,woven wire drawing machine,wire and cable,chemical fiber.etc.