bending and welding sheet metal parts 1.material:steel powder coating 2.confort to ISO&ROHS 3.10years experience bending and welding sheet metal parts 1. Material: stainless steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy, red copper, brass, bronze alloy are available.2.Metal processing: stamping, deep drawing , spot or seam welding, spinning, metal assembly are available.3.Surface ...