Gongyi Junlong Super-hard Tool Co. , Ltd has the advanced production equipment，the experienced scientific research team and the standardized management system. Specializing in the production of friction materials special composite drill bits、special diamond grinding discs、cutting tools、electroplated diamond products and other special grinding tools，PCD and PCBN cutting tools. The products are widely used in friction materials，refractory materials，automobile manufacturing，aerospace and other fields various cutting and grinding tools. We also can provide the customized various special-shaped cutting and grinding tools according to all your needs.