... control 2.OEM orders accepted 3.Excellent service Sheet Metal Manufacturing service 1.material: carbon steel(cold rolled steel ... ) stainless steel, copper , brass, aluminum ,etc2. process:punching,bending,welding,grinding,milling,machining, spraying etc3. Use: Machinery, automobile, ... the masses of customers good, convenient, a thoughtful service.Remark:We mainly produce the High and low voltage ...