ZhengZhou Saio SuperAbrasives Co., Ltd. the Leading Supplier Of Various Ultra Hard Diamond Grinding Tools, Engaged In Developing And Producing Vitrified Diamond Grinding Wheel, Resin Diamond Grinding Wheel, Vitrified CBN Grinding Wheel, Polycrystalline Diamond (PCD) & PDC Cutters For Oil & Gas Drilling, Synthetic Diamond Tools, Diamond Drilling Tools, PDC Drilling Tools, ALL Designed For Natural Diamond & Jewelry Processing Industry, The Cold Processing Of Inorganic Non-Metal Materials Industry, Ceramic Processing Industry, Construction And Road Industry, Carbide Processing Industry, Glass Industry, And PCD/PCBN Industry. Auto & Aviation Processing Industry, Electric Processing Industry, Mineral Exploration, Water Well Construction, In Petroleum & Geology Industry.