... Oxidation Certification Bs /ISO9001:2008 Surface treatment Oxidation/band blasting/power coating/(chrome nickel zinc ) plaPort ShenzhenPackaging detailsBy RequestpriceFob USD 0 ... ),gears (pinions, wheels ) bearing, bearing seat, spring, connector, socket, bushing, push-button, etc.Surface Finishannealing, natural anodization, heat treatment, polishing, nickel plating ...