Henan Yellow River Cyclone Co., Ltd., one of the top ten brands of diamond tools, a famous brand product in Henan Province, the world's largest superhard material production base, and a high-tech enterprise integrating scientific research, production and trade of superhard materials and products

Henan Yellow River Cyclone Co., Ltd. was established by Henan Yellow River Industrial Group Co., Ltd., Osaka Diamond Industry Co., Ltd., Zhengzhou Abrasives Grinding Research Institute and other legal persons, and was listed on the Shanghai Stock Exchange on November 26, 1998 (stock code: 600172). The company has now developed into a national large-scale enterprise integrating scientific research, production and trade. The company has a national enterprise technology center, an enterprise postdoctoral research station, a superhard material standardization working group and a Henan superhard composite materials and their products engineering technology research center, with a number of core key technologies and independent intellectual property rights, some of which have reached the international advanced level of comprehensive indicators, is a national high-tech enterprise. The company's main products are superhard materials, superhard material products, UDS series diamond presses, construction machinery, etc., and the leading products are superhard materials and superhard material products, of which the annual output of synthetic diamond exceeds the sum of the rest of the world. "Whirlwind" brand series products sell well in developed countries such as Japan, the United States, Europe and Southeast Asian markets. The company has become one of the world's largest superhard material production bases, and a leading enterprise in the domestic superhard materials and products industry.