About Henan Huanghe Whirlwind Company

The company is a limited company established by various shareholders of Huanghe Diamond Co., Ltd. and approved by the Henan Economic System Reform Commission in document No. 18 [1997] No. 18. On the basis of the overall restructuring of Huanghe Diamond Co., Ltd., a Sino-foreign joint venture, the various shareholders of Huanghe Diamond Co., Ltd. invested in their rights and interests in Huanghe Diamond Co., Ltd. as the sponsor, and adopted public fund-raising methods. The Company's common stock (A share) shares were listed and traded on the Shanghai Stock Exchange on November 26, 1998. The company holds a corporate legal entity business license No. 914100007067887335 of Henan Industrial and Commercial Enterprise. The company's main products cover superhard materials and products, superhard composite materials and products, etc. It mainly includes industrial diamonds, cultivated diamonds, grinding wheels, tools, drill bits, saw blades, etc., and is mainly used in fields such as diamond tool manufacturing, jewelry, ceramic processing, exploration and mining, construction materials processing, mechanical processing, optical glass and gemstone processing, electronic and electrical equipment manufacturing, and auto parts manufacturing. Corporate honors: Enterprise postdoctoral research workstation, enterprise technology center, key laboratory license, etc.