Hubei Feiling Optical Fiber Materials Co., Ltd.
Hubei Jingrui Electronic Materials Co., Ltd.
Luoyang Zhonggui High-Tech Co., Ltd.
Hubei Heyuan Gas Co., Ltd.
Hubei Jianghan New Materials Co., Ltd.
Jiangxi Hungpai New Material Co., Ltd.
Zhejiang Yage Xin'an Electronic New Materials Co., Ltd.
Tangshan Sunfar Silicon Industries Co., Ltd.
Jiangdong Xiangjun Materials Co., Ltd.
Evonik
Tokuyama
Wuhan New Silicon Technology Qianjiang Co., Ltd.
