Henan Huanghe Whirlwind Co., Ltd was founded in 1979, and now is one of the world largest industrial diamond, CBN, PCD manufacturer fromChina. The company has diamond production capacity 1.5 billion carats per year. We have full line quality control system technology from Germany. are ...
Telephone:86-10-87913428
Address:Renmin Road, Changge, Henan, China