... saving up to 30% compared with SCR technology induction machine 5. Diode rectification technology make sure high power factor ... watch case, watch flan, handle, mold accessory, kitchen and table ware, art ware, standard part, fastener, fabricated mechanical part, ... including diamond circular saw from diameter 300-2500mm, abrasive tool, drilling tool, alloy saw blade, hard alloy cutter, milling cutter, ...