Henan Huanghe Whirlwind Co., Ltd., founded in year 1979, a listed
company in Shanghai Stock Exchange in 1998.
Huanghe Whirlwind specializes in industrial diamond , diamond tools
and construction machinery. It is the largest synthetic diamond
manufacturer and top three comprehensively in the world with the
annual production of 1.5 billion carats. The diamond series
products with “China Top Brand” have been enjoying good
reputation in global market.