... 4,OEM products 1, PDC is composed of a layer of polycrystalline diamond and hard alloy substrate, and ... ,It is mainly used in manufacturing the tools applied in the field of petroleum bit, coalfield and geological drilling, ... , 1916, 1919, 1920, 1925, 1929, 24285,Different shape of PDC we offer: U series, W series, M series, ... as per your request.Contact details: pcd cutting tool/pdc cutting tools