... nuts, rivets, stem nuts, shafts(axles, spline shafts, dart shafts),gears ( ... passivation, galvanizing, satin, etc.Processing Methodcnc machining, turning, milling, drilling, grinding, ... manufacturers who can produce precision eccentric wheel component in ... various kinds of metal parts and screw, nut, rivet ... new energy sources, automobile, motorcycle, bicycle, electronic toys, decorative lighting.If ...