PCD series is for nature diamond cut & polished. The engineers of 3U corp. can control the wearability of polycrystalline diamond accurately for different industrial purposes. With different batch formulas and technologies; HDPC has made PCD well adopted by oil exploiters and drill manufacturer world widely. 8*1.5 8*1.25 3*8 8*2 10*2 10*3 4*10*180 5*10*180 6*10*180 contact : shonali e-mail/msn:old-stone(at)live.cn 3usuperhard@gmail.com