Established in 1979 by joint venture with Japanese A.L.M.T. company, Henan Huanghe Whirlwind Co., Ltd. has grown into one high-tech public listed company in Shanghai Stock Exchange. It is the largestsynthetic diamond manufacturer in the world and the leading manufacturer of pre-alloyed metal *域名隐藏* products enjoyed ‘China Top Brand’ have been maintaining high reputation in global market.

主要产品/业务: diamond powder, metal powder