Changsha Hengfeng Superhard Material Co.,Ltd was founded in 2000, which is specialized producing and developing diamond powder,diamond crushing material. It has strong professional team advanced testing methods, with all products strict accordance national standards. Diamond ...
Telephone:86-731-88003666
Address:2-1801 Xichenglongting Community, No.355 Yuelu Auenue, Changsha, Hunan, China