... coating,etc High precision,durable new designed sheet metal fabrication(1) Material: stainless steel, iron ( SPCC, SECC, SPTE, tinplate), ... aluminum alloy, red copper, brass, bronze alloy are available.(2) Metal processing: ... 2008, CWB-- "Certification of Companies for Fusion Welding of Steel" , EN287-1 certification.(6) We are experienced of ...