CR GEMS Superabrasives Co., Ltd. is a part of the CR GEMSDiamond group, it locates in Xinzhuang High-tech industrial park,Shanghai. CR GEMS manufactures and provides excellent qualitysuperabrasives, mainly synthetic diamond, CBN, PCD and PCBN. Basedon its consistent quality and professional solution, CR GEMSproducts receive wide popularity and high recognition in Asia,Europe, America and other regions too.