... service Quality certificate: ISO9001:200 Sheet Metal Fabrication Through its CNC punches and CNC bending machines ... precision conveyer equipment, sound mixing desks from famous companies at home and abroad, communication cabinet, cabinets, ... Ductile iron; Malleable iron; Tungsten steel, etc.Machining processesMetal fabrication, machining, welding, forming, shaping, punching, drilling, turning, ...