... description. Making process:laser cutting, stamping, CNC bending, punching, welding, riveting, grinding, etc.Surface treatment:Powder coating, ... Yongtong Building & Hardware Electric Co., Ltd.MAIN PRODUCTS:sheet metal, stamping part, metal box, metal cabinet, network ... , Oceania, Mid East, Western Europe etc.EQUIPMENT:CNC punching machine, CNC bending machine, plasma cutting machine, drilling ...