... 2 lamp plate 3.Excellent dimension and OEM service 4.High QC standa High quanlity and widely useful lamp plate Specifications1 ... plating, nickel plating, zinc plating, oil injection, black oxide coating and so onmaterialstainless steel, iron ( SPCC, SECC, SPTE, tinplate), ... already has cutting machine ,punching machine,laser machine ,and now due to the incresing sales increasing large stamping machine ...