1. Arpadis Benelux NV
2. BASF SE
3. Clariant AG
4. Henan GP Chemicals Co.Ltd
5. Huntsman International LLC
6. IRO Surfactant Co. Ltd.
7. Merck KGaA
8. Oriental Union Chemical Corp.
9. Qingdao Hengke Fine Chemicals Co.Ltd.
10. Qingdao IRO Surfactant Co. Ltd.
11. QUIMIDROGA
S.A.
12. Research Innovation Inc
13. Shanghai Fine Chemicals Co.Ltd
14. Shanghai Sunwise Chemical Co. Ltd
15. Shijiazhuang City Horizon Chemical Industry Co. Ltd.
16. Triveni Interchem Private Limited
17. Wuhan Jiangling Technology Co.Ltd.
18. Wuxi Acryl Technology Co Ltd.
19. Xiamen Aeco Chemical Industrial Co. Ltd.
20. Yangzhou Chenhua New Material Co. Ltd
21. Yantai Dasteck Chemicals Co. Ltd.
22. Yantai Minsheng Chemicals Co. Ltd.
23. Zibo Dexin Lianbang Chemical Industry Co. Ltd.
24. zibo Zhengda Polyurethane Co. Ltd.