Polycrystalline diamond (PCD) tool and cubic boron nitride (PCBN) tool. Products include diamond PCB circuit board tools, diamond floor knife, diamond machining tools, diamond woodworking Lou Mian, gongs knife, alloy tools. Using the polycrystalline diamond compounded by American GE Company and British DEBEERS Company, the products have the characteristics of precise cutting dimension, smooth cutting surface, high efficiency and impact resistance, etc. to ensure the service life of cutting tools and the quality of processed parts. Widely used in the processing of circuit boards, laminate flooring, wood furniture, stone processing, high-gloss products, watches and clocks, accessories, silver jewelry, optical components, motor parts, military, auto parts and other precision and ultra-precision machining industry