... .OEM orders accepted 3.Excellent service Sheet Metal Manufacturing service 1.material: carbon steel(cold rolled steel ... tube) stainless steel, copper , brass, aluminum ,etc2. process:punching,bending,welding,grinding,milling,machining, spraying etc3. Use: ... silk screening, stencilingCompany serviceOur main products including metal processing manufacturing, and form a complete set of production is given ...