... part punching,stamping,bending, welding ISO9001; ISO14000 Name Union door locks accessories Item No. TP030819MaterialSECC, stainless steelProcessstamping ... , iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy,red copper,brass, bronze alloy are availableSurface treatmentplating, Zinc plating, enamel, ... Riveting workshop # Warehouse # Carton package # Wood package # Mold Union door locks accessories