Henan Huanghe Whirlwind Co.,Ltd is a listed company (stock code:600172) that is specialized in researching, developing, producing and sale of super-hard material and related products. Based on Changge, Hanan province, our company has national enterprise technology center and enterprise postdoctoral workstation which makes us the leading company in this line. Our subsidiary companies and R & D institution are in Changge, Zhengzhou, Shanghai and Beijing.
Professional Manufacturer Since 1979
Professionally supply over 146 kind products
Verified in over 400 specifications
Exported to over 30 countries
In June 2021, India imported 100 million U.S. dollars of cultivated diamonds(lab grown diamond), a significant increase year-on-year. Jewelry-grade diamonds (cultivation group) are about 200 billion RView More +