JingRui Superhard Material Co.,Ltd. specialized in R&D and production of PDC(Polycrystalline Diamond Compacts) used in oil-drilling, geological exploration and coal mining.Polycrystalline Diamond Compacts (PDC) are formed of sintered diamond on tungsten carbide substrates under extremely high-pressure and high-temperature. because of the high abrasion of diamond and the high impact resistance of TC, PDC has been widely used in oil-drilling, geological exploration and coal mining.
