Guilin Star Diamond Superhard Material Co.,Led.was founded in 2007, located in Gilin,China.Our comany has been identified as the Nationl High -Tech Enterprise that specializes inthe research,decelopment and production of polycrystalline diamond compact(PDC) and PDC bits,and produce 1,000,000 pieces of cutters and 500,000pieces of bts each year. These products are widely used in coal mines, mental mining, water and geothermal well drilling, geology exploration,mechanical industry and oil&gas field drilling.