3U Super Hard Products Co. We are a manufacture of old-stone(at)livecn Diamond bruting wheel/ Polycrystalline diamond(PCD)/Thermal Stable Polycrystalline diamond(TSP),CBN grinding wheel.PCD Series have a lower wearability than the TSP series. Meanwhile, compared with the natural diamond ,they have a higher rubbing efficience.Together with their unexampled price, PCD Series have become the first choice for nature diamond cutting & polishing nowadays.old-stone(at)livecn
contact : shonali
e-mail/msn:old-stone(at)livecn