3M
JSC "Zaporozhabrasive"
Washington Mills
H.C. Starck
Dalian Jinma Boron Technology
Dunhua Zhengxing Abrasive
Mudanjiang Qianjin Boron Carbide
Zhengzhou Yingcheng Technology
Songshan Special Materials
Mudanjiang Chenxi Boron Carbide
Songshan Boron Technology
Mudanjiang Hongda Boron Carbide