LG Chem
Ineos Styrolution
SABIC
Techno-UMG
NIPPON A&L
Kumho-Sunny
FCFC
Qingdao Weilai
LOTTE Advanced Materials
Chi Mei Corporation
Xinxiang Chuangmei
Schulman (LyondellBasell)
Romira
SAX Polymers Industries
Run Feng Sci.&Tech