Supreme Superabrasives Co., Ltd specializes in the research, development, and manufacture of superabrasive products. Thanks to the continuous efforts of our teams for more than a decade, SS has become a highly reputable company manufacturing a broad range of superabrasive products -- Diamond Wire Drawing Die Blanks, Polycrystalline Diamond Composite (PDC), Polycrystalline Diamond (PCD) and Polycrystalline Cubic Boron Nitride (PCBN) blades for cutting tools, and other PCD and PCBN related ...