Henan Huanghe Whirlwind Co., Ltd.
Henan Huanghe Whirlwind International Co., Ltd. was a sole
subsidiary of Henan Huanghe Whirlwind Co., Ltd., a listed company
on Shanghai Stock Exchange in 1998. Huanghe Whirlwind specializes
in industrial diamond and diamond tools. It is the largest
synthetic diamond manufacturer and top three comprehensively in the
world with the annual production of 1.2 billion carats. The diamond
series products with China Top Brand” have been sharing high
reputation in global market.