... kitchen and table ware, art ware, standard parts, fastener, fabricated machine part, bronze lock, rivet, steel pin and pin.Hot fitting refers ... chain wheel, aluminum wheel, valva, rock arm shaft, small shaft and fork.Various electric tools, such as axes and gearQuench for machine tools ... metal parts and machined parts, such as shaft gear(chain wheel) cam, chuck and clamp. Etc.Quench for hardware molds, ...