Wholesale Different Weights Raw Diamonds Rough Uncut Multicolor Diamonds From Africa

 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.Huanghe Whirlwind is a key high-tech enterprise under “State Torch Program”,
and we specialized in six industrial fields and professionally supply over 146 kind products verified in over 400 specifications including synthetic diamond, CBN, coated diamond, diamond micron powder, construction, machinery, special vehicle etc.
As the leading company in synthetic diamonds and related products in China, we were awarded 2 National Gold Prizes and 128 scientific promotion prizes etc.
We have already got 76 patents in recent years. Our products have been sharing high reputation in global market such as Japan, America, Europe and South-east Asia etc.