... 4,OEM products 1, PDC is composed of a layer of polycrystalline diamond and hard alloy substrate, and ... used in manufacturing the tools applied in the field of petroleum bit, coalfield and geological drilling, etc. ... 18241908, 1913, 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