... stamping,bending, welding ISO9001; ISO14000 Name Safe locks for doors Item No. TP030821MaterialSECC, stainless steelProcessstamping,punching, ... metal stampingHistoryWe product a series of metal sheet part for 8 yearsMaterialstainless steel, iron ( SPCC, SECC, SPTE ... milling machine, cnc milling machine, milling machine,drilling machine tapping machine, chamfering machine and so onCertificateISO9001 ...