... steel Business Scope CNC center machining,drilling,turning,grinding,tapping,mould design and processing,casting,sheet mental ... and testing equipment CNC Drilling and tapping machines Materials Iron, aluminum, steel, coppe, plastic, carbon steel, nylon, bronze, ... . Surface Treatment Heat treatment, plating(zinc, nickel, chrome, aluminum alloy), anodized with various colors, PVD/PCD coating, polishing, ...