Eastman, Kemai Chemical, Sunsine, Jiangsu Sinorgchem Technology, Lanxess, Shandong Yanggu Huatai Chemical, KUMHO PETROCHEMICAL, Northeast Auxiliary Chemical, Addivant, Puyang Willing Chemicals, Xian Yu-Chem, AkzoNobel, Agrofert, Sumitomo Chemical, NCIC, OUCHI SHINKO CHEMICAL, Arkema, NOCIL