... , Cr5, Iron, Nickel plated carbon line, Nickel plated steel wire harp, Flat wire, Square wire, SUS304/316/302 etc.2 Surface Treatment:Zn-plating ... ,Grinder machine DA SHUANG YANG & M230-2, Lathe machine C6233 ,Wire cutting machine Deren & DK7740 etc.8Testing Equipment: Projecting Apparatus, Salt ...