Zhengzhou LD Diamond Products CO., LTD (also known as Zhengzhou Liuding Diamond Products CO., LTD) specializes in the manufacture and application of polycrystalline diamond.  Our main products include: PDC(Polycrystalline Diamond Compact) cutter bit inserts, PCD cutting tool blanks,TSP(Thermally Stable Polycrystalline)diamond, PDC bits, diamond grinding wheels, abrasives, which are widely used for oil and gas drilling, rock drilling and coal mining, metal and other hard materials machining, etc.