Nanjing Shangongxin Machinery Co., Ltd. mainly designs and produces sorts of springs, brake pins, stamping parts, nylon parts, rubber parts, brake groupware, cam shaft groupware, which are mainly marketed in North America, Europe, Southeast Asia and South America. In the tenet of “Pursuit of Excellence, Perfect Quality and Service for Customer Satisfaction” and the business philosophy of “Progressive & Human-oriented”, the company constantly keeps innovation and produces the superior-quality auto springs. Welcome to visit us.