PDC(Polycrystalline Diamond Compacts) is a kind of superhard material made of diamond and cemented carbide under high pressure and temperature. Containing the toughness of diamond and heat-resistance of cemented carbide, this product is widely used in the fields of petrol-drilling, geographical exploration, coal-fields mining and industrial machinery, etc. Introducing advanced producing process and strict management, insisting on producing polycrystalline diamond with high properties, HeNan Jingrui produces products with excellent heat-resistance and TTI & TI.