... : steel, stainless steel, cu, aluminum, alloy etc.Finish: white/yellow/blue/black zinc, nickel, black oxide etc.Trading term: FOB ... Shanghai or CINXXX, CNFXXX.Terms of payment: L/C or T/T(the initial order 100%T/T ... operators etc.Additional Service…Heat Treatment - reach the required hardnessElectroplatingwhite/yellow/blue/black zinc, nickel, black oxide etc.CleaningOrdering Rule…Minimum ...