(1) the hard alloy (YG8) sheet bar, tungsten steel round bar, (blanking bar section) bit, PCB drill bits, mould thimble, mold, electrical great, gongs knife, the textile industry of shuttle axis of trunnion, machine tools, woodworking tools, machine tools, precision high wear-resisting die, progressive die, anti-piracy, X-ray radiation protection board, cutting tool, the opposite sex parts, etc.; (2) fuse glass tube;
(3) Optical glass, quartz glass, all kinds of glass tubes, glass-ceramics, gemstones, crystals, jade materials, etc.;
(4) silicon oxide/zirconia/alumina/black ceramics/glass products/ceramic pipe, etc.;