metalworking shop production area of 6300 m, the existing staff of 318 people, mainly responsible for machining parts complete the work, the existing machining equipment, more than 80 sets of machining centers including horizontal-vertical conversion, vehicle milling centers, horizontal machining center, vertical machining center, full-function numerical control vehicles, axis cnc car sales, coordinate boring machine, line cutting, cnc deep hole drilling machine, cnc winding machines and other high-performance spring sets numerical control equipment 46.