Henan Huanghe Whirlwind Co., Ltd.

Henan Huanghe Whirlwind Co., Ltd.(HHW) was founded in 1979 and went public in 1998 ( listed on Shanghai Stock Exchange). Through 30 years of unremitted effort, HHW has become one of the top two market player in China synthetic diamond industry, integrating manufacturing, sales and R&D covering the whole industry chain. In 2011, the output of volume of synthetic diamond was 1.5billion carat and the total turnover of HHW reached 200 million dollars. HHW is certified across all the production sites to ISO:9001 and ISO:14001 standards.