Diamond to large diameter, fine particle size, high impact resistance, high thermal stability direction. At present, China's annual output of synthetic diamond ranks the forefront of the world, and can produce all kinds of high-grade and high-strength synthetic diamond, diamond and diamond cutting tools for the promotion and use of favorable conditions. Diamond tool grinding and grinding with the re-grinding is the use of key issues, it is a very strong confidentiality, very difficult technology. Foreign companies use the same diamond cutter do not own sharpening, and will use the blunt diamond tool back to the original re-grinding. At present, China's development of diamond tools, on the one hand to attach importance to the introduction and absorption of foreign new technology, try to improve the quality of the blade, reduce the cost of the blade; the other hand, to further develop the grain more fine materials to improve its density, Mouth jagged side, so that it can be grinding more sharp, while the diamond tool to solve the efficiency and quality of grinding.