1. Ajinomoto Fine-Techno Co Inc
2. Amicogen Biopharm Co. Ltd.
3. CHEMRA GmbH
4. Ecolab Inc.
5. H&E Co. Ltd.
6. Lenntech B.V.
7. Merck KGaA
8. Mitsubishi Chemical Corporation
9. ResinTech Inc.
10. Samyang Corporation
11. Shanghai Bairy Technology Co. Ltd
12. Sorbent Technologies Inc.
13. Sunresin New Materials Co. Ltd. Xi’an
14. Suzhou Nanomicro Technology Co. Ltd.
15. Tianjin Nankai HECHENG S&T Co.Ltd