3U Super Hard Products Co., Ltd. Is a professional manufacturer of Diamond & CBN products. Located in zhengzhou hi-tech development zone, with fresh air and beautiful environment. Our company has a group of experienced and skilled research workers engaged in technical services. Main products are thermally stable polycrystalline diamond(TSP inserts), polycrystalline diamond( PCD), Ceramic & resin bond diamond wheel, diamond centerless wheel, diamond powder and synthetic diamond. Our company can produce polycrystalline diamond products of 75 million pieces every year. Our products are mainly used in drilling tools and cutting tools in petroleum, metallurgy and coalmine fields, as well as diamond processing and other manufacturing industries. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.