- A.F. SUPERCELL
- BIRLA
- CHANG CHUN GROUP
- DOW CHEMICAL
- EASTMAN CHEMICAL COMPANY
- INEOS INOVYN
- ISHIHARA SANGYO KAISHA, LTD.
- KWANG CHENG CO., LTD.
- LOTTE CHEMICAL
- OUCHI SHINKO CHEMICAL INDUSTRIAL CO., LTD.
- OTSUKA CHEMICAL CO., LTD.
- PT. NUBIKA JAYA
- SESODA CORPORATION
- SHIN-ETSU CHEMICAL CO., LTD.
- SI GROUP
- SUN SOURCE
- UPC
- WE-LUN CHEMICAL INDUSTRY CO., LTD.
- YANTAI SHIYUAN RUBBER