With more than thirty years research and development, ZHENGZHOU SIFANG SUPERHARD MATERIALS CO.LTD. Established in 1995, has grown to a large and professional manufacturer of Diamond and Cubic Boron Nitride (CBN) Grinding Tools in china.In order to catch up with the change of domestic and foreign market , reach the high quality, stability and continuity of the products, we manufacturer each product with the imported advance technology and equipments under strict quality controlling procedures. At present, our products are more than 300 types and specifications, including a series of Diamond and CBN Grinding Wheels with the bond of the Resin, Ceramic and Electroplate , Diamond Composite Blank and so on. All those products can be used in grinding and polishing super hard high -tough materials.