?- Anshan Sinocarb Carbon Fibers Co. Ltd
- China Beihai Fiberglass Co. Ltd
- Evertech Envisafe Ecology Co. Ltd
- Hangzhou Nature Technology Co. Ltd (Nature Carbon)
- HPMS Graphite
- Jiangsu Tongkang Activated Carbon Fiber Co. Ltd
- Kuraray Co. Ltd
- Nantong Yongtong Environmental Technology Co. Ltd
- Osaka Gas Chemicals Co. Ltd
- Toyobo Co. Ltd
- Unitika LTD