... 3.OEM and ODM services are welcome sheet Metal Work1process cutting,punching,bending,deburring,stamping, ... welding,pretreatment,assembling,etc 2materialstainless steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy, ... as you like9CertificateISO9001-2008Key Specifications/Special Features:Material: sheet steelPaint finish: both externally and internallyProtected with ...