... punching,stamping,bending, welding ISO9001; ISO14000 Name Mortise door lock hotel safe Item No. TP030820MaterialSECC, stainless steelProcessstamping, ... treatmentplating, Zinc plating, enamel, hot-dip, polishing, hardening clear anodizing, chrome plating, nickel plating, zinc plating, oil injection ... Riveting workshop # Warehouse # Carton package # Wood package # Mold Mortise door lock hotel safe