Henan Huanghe Whirlwind International Co., Ltd. was a sole subsidiary of Ltd., listed company on Shanghai Stock Exchange in 1998. specializes industrial diamond and tools. It is the largest synthetic manufacturer top three comprehensively world with annual production 1.2 billion carats. ...
Telephone:86-371-1883978273
Address:26F, Landmark Plaza, A-1 CBD, Zhengzhou, Henan, China.