... nuts, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels ) bearing, bearing seat, spring, connector, socket, bushing, push-button, etc.Surface Finishannealing ... or as requiredCertificateISO9001:2000Lead Time 30-45 Days1. HangZhou Han Tai Industry Co., Ltd is one of specialized manufacturer various casting including stamping ...