Sifangda: a fast-growing manufacturer of superhard materials

First, the largest scale polycrystalline diamond (PCD) research and development and production enterprises in China, the industry prospects are good diamond and cubic boron nitride materials, due to their extremely high hardness, collectively referred to as superhard materials, with high hardness, wear resistance and Excellent thermal conductivity and low thermal expansion coefficient. The composite superhard material mainly refers to a polycrystalline composite material which is made of a single crystal superhard material such as diamond and cubic boron nitride micropowder, and is added with a metal or non-metal binder by an ultrahigh pressure high temperature sintering process. The field of hard materials is widely used in traditional fields such as machinery, metallurgy, geology, petroleum, coal, stone, wood, construction, automobiles, home appliances, and other high-tech fields such as electronic information, aerospace, and defense. With the development of modern technology, products with higher strength and hardness appear in industrial production and daily life, and harder and stronger materials must be used to process these products. Therefore, composite superhard materials and their products have become modern. One of the indispensable factors for the development of science and technology and the enhancement of industrial production capacity. The main products of composite superhard materials include polycrystalline diamond (PCD) composite sheets, polycrystalline cubic boron nitride (PCBN) composite sheets and polycrystalline diamond (PCD) drawing blanks. The composite sheet is an upstream material for producing petroleum drill bits, mining drill bits and cutting tools. The PCD composite sheet is the new composite material with the highest hardness and the best wear resistance among the existing superhard materials. However, since the chemical composition of polycrystalline diamond (PCD) is carbon, when a black metal such as iron is cut, a chemical reaction easily occurs at a high temperature, which affects the production effect and the service life. Therefore, cubic boron nitride (PCBN) has emerged as a synthetic alternative material. Although PCBN is not as good as polycrystalline diamond (PCD) in hardness and other properties, it is much better than traditional hard alloy materials and is a good material for making ferrous metal cutting tool heads. PCD drawing die blank is the upstream material for manufacturing high-grade diamond drawing die. Polycrystalline diamond wire drawing die is used for drawing copper, aluminum, stainless steel and various alloy wires. Its service life is 100~300 for hard alloy wire drawing die. Double, and the size of the drawn wire is uniform, the finish is high, and the output is high. Polycrystalline diamond (polycrystalline cubic boron nitride) and polycrystalline diamond (polycrystalline cubic boron nitride) composite sheets are located in the middle and lower reaches of the super-hard materials and their products industry chain, and are deep-processed products of super-hard materials, which are far higher. Profit margin for other superhard materials. They have three main uses: one is as a cutting tool material; the other is as a cutting tooth for petroleum geology drill bits; and the third is a high-grade drawing die for preparing wire drawing. The company's main business is the development, production, sales and sales of synthetic polycrystalline diamond sintered body, synthetic diamond composite sheet, cubic boron nitride sintered body, cubic boron nitride composite sheet, synthetic diamond products and cubic boron nitride products. The current products cover polycrystalline diamond composite superhard materials, polycrystalline diamond composite superhard materials and single crystal diamond micropowder.

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