1. AFYREN SAS
2. Central Drug House (P) Ltd.
3. CHEMOS GmbH & Co. KG
4. Eastman Chemical Company
5. FUJIFILM Wako Pure Chemical Corporation
6. Jiangsu Dynamic Chemical Co. Ltd
7. Kunshan Odowell Co.Ltd.
8. Merck KGaA
9. Nanjing Chemical Material Corp.
10. OQ Chemicals GmbH
11. Shanghai Aladdin Biochemical Technology Co. Ltd.
12. Snowco Industrial Co. Ltd.
13. The Dow Chemical Company
14. Tokyo Chemical Industry Co. Ltd.
15. Weifang Qiyi Chemical Co. Ltd.
16. WEN International Inc.
17. Yufeng International Group Co. Ltd.