Zhengzhou Sanhe Diamond Co., Ltd. is one of the leading manufacturers of abrasive materials and products in China. Our international trade department exports our high quality products to Europe, Asia and the Middle East, etc.We now have the capability to manufacture various abrasive materials including polycrystalline diamond for petroleum, geography drilling purpose, polycrystalline diamond for grinding natural diamond, polycrystalline diamond composites (PDC) and synthetic diamond micro-powder, etc.Our company believes in "credibility most, quality first, advanced technology and...