3U Super Hard Products Co. We are a manufacture of Diamond bruting wheel/ Polycrystalline diamond(PCD)/Thermal Stable old-stone(at)live.cn Polycrystalline diamond(TSP),CBN grinding wheel.Diamond bruting wheel is used for polishing and bruting natural diamond, it is a new product and just open the market have it competitive price. It can substitute PCD(polycrystalline diamond) gradually in the world market, and possess excellent diamond processing performance. Diamond bruting wheel has been proved its superiority in the jewellery processing industry, since it has enjoyed wide popularity in Indian, Belgium, Israel market, and etc.