... specialize in stamping parts from most materials including steel,galvanized steel ,brass,copper and aluminum etc.Basic information: ... Processing PartsType Stamping parts Brand nameYPTModel numberMaterial Stainless steel Plating Oxidation Certification Bs /ISO9001:2008 Surface ... , nuts, rivets, stem nuts, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels ) bearing, bearing seat, spring, ...