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Polycrystalline Diamond Compact (PDC) Our PDC products are made from diamond and carbide by sintering under high temperature and high pressure, and therefore have excellent wearability and impact toughness. The products are mainly used as cutting elements of oil-well drilling bits. Dome PDC cutter, is made up of polycrystalline diamond layer and carbide substrate with domed crown. The product can be used as the gage protection or cutting elements of roller bits. For more informations,pls contact me:diana***9 at **3. com or diana*****2 at hotmail. com