Covestro
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Teijin
Trinseo
Mitsubishi
LOTTE Advanced Materials
Chi Mei
LG Chemical
FCFC
Daicel
RTP
PolyOne
Gardiner Compounds
Ever Plastic
KUMHO-SUNNY
Kingfa Science and Technology
Silver Age Sci & Tech
Juner
PRET Composites
Qingdao Gon Science & Technology
WOTE
Fu-day New Material Technology
Kitech
Fuheng New Material
Selon
DELLON
Kangxi Plastic Technology
Falaixin Plasifying
Polyrocks Chemical
Nanjing Lihan Chemical