Henan Huanghe Whirlwind Co., Ltd., abbreviated as Huanghe Whirlwind (), is a company that produces superhard materials, located at Changge City, Henan, China.
History Huanghe Whirlwind was established in November 1998 by Henan Huanghe Industrial Group Co., Ltd., Diamond Industrial Co., Ltd. of Osaka, Japan, and Zhengzhou Research Institute of Abrasives & Grinding, and was listed on the Shanghai Stock Exchange on November 26, 1998 ().
Products Main products include superhard materials, superhard material products, UDS series diamond presses, and construction machinery, among which superhard materials and superhard material products are the leading products. It is one of China's largest synthetic diamond companies.
References
External links Company website Huanghe Whirlwind stock market quotes