quality diamond pdc cutter, pdc cutter pcd insert

RJ Polycrystalline Diamond Composites (RJ PDC) consist of a polycrystalline diamond layer sintered with tungsten carbide substrate under extremely high pressure and high temperature. RJ PDC are produced with carefully chosen high-quality industrial diamond and tungsten carbide materials as well as advanced synthesizing technology, combining the strengths of both diamond and tungsten carbide, so they are widely used for various drilling tools such as petroleum bits, mining