sheet metal 1.Customized size and craft. 2.ISO9001-2000,ISO14001,SA8000. 3.OEM and ODM. Sheet Metal Manufacturing service 1.High quality control 2.OEM orders accepted 3.Excellent serviceSheet Metal Manufacturing service 1.material: carbon steel(cold rolled steel sheet,galvanized steel sheet or tube) stainless steel, copper , brass, aluminum ,etc2. process:punching,bending,welding,grinding,milling ...