Saint-Gobain, Ningxia Tianjing, Lanzhou Heqiao, Tianzhu Yutong, Cumi Murugappa, Elsid S.A, Washington Mills, ESD-SIC, Erdos, Ningxia Jinjing, Elmet, Snam Abrasives, ESK-SIC, Navarro, Pacific Rundum, Zaporozhsky Abrasivny Combinat, Yakushima Denko, Yicheng New Energy, Xinjiang Longhai, Sublime