Changsha Diamond Ultra-hard Tools Co.,Ltd is located in Lituo Industrial Park, 　Changsha,Hunan,China. We are specialized in the production of Synthetic Diamond　&Cubic Boron Nitride(CBN) and related tools. We have professional Technical Researching Development Team and powerful technology ability, with advanced facilities and complete testing equipment, our quality control system has been approved by ISO9001:2000. Our products are well sold both in domestic market and oversea, including Europe, America, South Asia and other countries. With stable quality performance and most competitive prices, we get good reputation from our clients worldwide. We have been working hard for utmost satisfaction for each of our clients.  More…               Diamond grinding wheels and CBN grinding are used widely in processing : Tungsten Carbide, Jewel, Quartz, Glass, Ceramics, Stone, Magnetic materials, Semi-conductors, Ferrite and other difficult and hard-to-machine complex materials. Especially our Vitrified(Ceramics)Bond diamond grinding wheels are made by new production technology, with high removing efficiency and long life time, they are widely used for Bruting and Polishing jewelry, PCD and precious stones in India market. More…         Diamond grinding coveris the ideal grinding tool for concrete and stone surface processing. Our diamond grinding cover offer aggressive grinding performance and long tool life. We could make single row cup wheels, double cup wheels and turbo cup wheels, we can make different cup wheels according to our customer's special requirement. More…        Diamond saw blade products could cut granite stone, marble,sand stone, concrete, asphalt , glass, ceramics tiles, field stone and other materials. Specially our laser welded diamond blade have the characteristic of high efficiency and high wearability. With the updated laser welded technology, our laser welded blade have solved the phenomena of segments dropping which existed in the brazed products, they are especially suitable for processing concrete and construction materials. By combining our success experience in other region, we can design the blades according to different processing purpose. more…        PDC (Polycrystalline Diamond Compact) rock cutter blanks consist of polycrystalline diamond layer sintered with tungsten carbide substrate under ultra-high temperature and ultra-high pressure. Combining the strengths of both diamond and tungsten carbide, the process renders to the products a combined quality of extremely high abrasion resistance and extremely strong impact resistance ability. The standard shape of our Supreme PDC products is round, but other special shapes (rectangle, triangle, and so on) can also be custom-made per customers' requirements. more…        Diamond Grits is the hardest materials in the world up to now, they are widely used to make diamond tools to cut the hard materials such as Tungsten Carbide, Stones, Ceramics and so on. With high processing efficiency and long life time, the synthetic diamond are used in more and more industrial fields. We could make different quality grade diamond grits for different processing purpose, we could make: Saw grits DMD, Wheel grits RVD, RVE RVG series and MBD series.  More…                                                                                                                                                 More products…