... stainless steel, iron, aluminum alloy, red copper, brass ect SHEET METAL: Certificate: ISO9001-2003; TS/IS016949-2009 1) Material: stainless ... dip, and polishing and soon.(4) Equipment: laser machine, CNC punch machine, bending machine, milling drilling, and some other ... We are experienced of OEM manufacturer for various kinds of sheet metal parts.(6) Specification: according to drawings and samples ...