... with the help of punch press, forging machine or other equipments for instances, hot extrusion of watch case, watch flan, handle, mold ... for various automobile and motorcycle fittings, such as crankshaft, connection rod, pinton pin, chain wheel, aluminum wheel, valve, rock arm ... Various electric tools, such as axes and gear. Quench for machine tools, such as lache deck and guide rail. Quench for ...