?- Ashland
- BASF SE
- DCC
- LyondellBasell Industries Holdings BV
- Mitsubishi Chemical Corporation
- NAN YA PLASTICS CORPORATION
- SINOPEC YIZHENG CHEMICAL FIBRE LIMITED LIABILITY COMPANY
- Sipchem
- Shanxi Sanwei Group Co. Ltd
- Xinjiang Guotai
- Xinjiang Tianye (Group) Co. Ltd
- Xinjiang Blueridge Tunhe Chemical Industry Co. Ltd