... part punching,stamping,bending, welding ISO9001; ISO14000 Name Safe locks for doors Item No. TP030821MaterialSECC, stainless steelProcessstamping,punching,bending, ... a series of metal sheet part for 8 yearsMaterialstainless steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy,red copper,brass ... Punching & Riveting workshop # Warehouse # Carton package # Wood package # Mold Safe locks for doors