At the cheaper cost and accurate delivery time, to provide customers with high quality screw and barrels Zhoushan Jingnai Alloy Precision Casting Co.,Ltd. is professional China bimetallic screw barrels manufacturers and Nitriding screw barrels 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. Equipment We Jingnai Company introduces international advanced production equipment. Quality We have our own testing lab and the good advanced and complete inspection equipment,which can ensure the quality of the products. After Sale We focus on developing high-quality products for top-end markets.Our products are in line with international standards,and are mainly exported to Europe, America, Japan and other destinations around the world. More Services PRODUCT CENTER Cost reduction, quality assurance, reputation, timely delivery, this is our company's business objectives.