... , Drilling, threading, stampling, punching etc..Surface finishPolishing, and Chrome plating, zinc plating, blackening, Nickel plating, Electrophoresis, AnodizationColorMetal colors availableOEM & ODMAvailableRohs ComplianceAvailableFOB PortTianjin, ChinaPayment ... : 1000mm-6000mm 5)Size: M3-M56)Coating: Nature, Zinc plating, blackening, hot dip zinc, environment-friendly zinc platingWe specialize in ...