The new material of low alloy cast steel is used in the car bridge shell which is developed from our company's independent research, its mechanical performance is better than Japan JISG5102 the SCW550 (1991) standard brand.Passing the national automobile quality supervision and inspection center test, the fatigue life experiment has reached up to more than 1.1 million times, which is greater than the industry standard for 800000 times.The product is better than other similar products,with high quality and durable performance,it won the national utility model patents and national invention patent.With the HASS (four axis) vertical CNC machining center, our company now is specializing in cast steel car bridge shell processing, its machining precision is better than the peer products.Products of and anhui, shaanxi, anhui valin, nk handler, such as manufacturers our company has signed a long-term supply agreement with Anhui AnKai Automobile Co. Ltd, Hualing Xingma Automobile (Group) Co., Ltd,and Shannxi HanDe Axle Co., Ltd.