... stamping,bending, welding ISO9001; ISO14000 Name Safe locks for doors Item No. TP030821MaterialSECC, stainless steelProcessstamping,punching,bending ... metal stampingHistoryWe product a series of metal sheet part for 8 yearsMaterialstainless steel, iron ( SPCC, SECC, SPTE ... plating, enamel, hot-dip, polishing, hardening clear anodizing, chrome plating, nickel plating, zinc plating, oil injection, black ...