... .ISO9001-2000,ISO14001,SA8000. 3.OEM and ODM. Sheet Metal Manufacturing service 1.High quality control 2.OEM orders ... Manufacturing service 1.material: carbon steel(cold rolled steel sheet,galvanized steel sheet or tube) stainless steel, copper , brass, aluminum , ... products including metal processing manufacturing, and form a complete set of production is given priority to, product variety, coverage ...