JingRui Superhard Material Co.,Ltd. specialized in R&D and production of PDC(Polycrystalline Diamond Compacts) used oil-drilling, geological exploration coal mining. Polycrystalline Compacts (PDC) are formed sintered diamond on tungsten carbide substrates under extremely ...
Telephone:86 - 371 - 62628055
Address:Zhong-Xing Avenue, North District, Zhengzhou Henan 451152 China