... standard 4,OEM service offered We are specializing in manufacturing all kinds of precision stamping parts.1. All kinds of surfaces treatment ... , shafts(axles, spline shafts, dart shafts),gears (pinions, wheels ) bearing, bearing seat, spring, connector, socket, bushing, push-button, etc.Surface Finishannealing ... and China. steel stamping parts, stainless steel, aluminium, brass all can be stamped