LG Chem
Ineos Styrolution Group
SABIC
Techno-UMG Co. Ltd.
KUMHO-SUNNY
Formosa Chemicals & Fibre Corporation
NIPPON A&L
LOTTE Advanced Materials
Chi Mei Corporation
Schulman (LyondellBasell)
Romira
SAX Polymers Industries
Run Feng Sci.&Tech
Shandong Novista Chemicals