1,precision stamping metal parts with grinded surface 2,customized sureface treatment 3,High QC standard ... , stem nuts, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels ) bearing, bearing seat, spring, connector, socket, bushing, push-button, ... milling, drilling, grinding, broaching, welding and assemblyAdvantages 1. Competitive price with high quality 2. Low MOQ 3. Short lead time 4 ...