... tolerance control 2.ISO 9001:2000 3.Customized drawings High quality welding parts/Sheet Metal Weldment 1.Precision machinery parts.2. ... in various mechanical equipment and other industrial uses.5.Material:welding iron,steel,copper,stainless steel,aluminium,etc6.Available processes: ... -cast and hot-press, expert plastic injection, surface plating. High quality welding parts/Sheet Metal Weldment