Far Eastern New Century Corporation; Hengli Group Co. Ltd; Indorama Ventures Public Company Limited; JBF Industries Ltd; Jiangsu Sanfangxiang Group; Lotte Chemical Corporation; Octal; Reliance Industries Ltd; Saudi Basic Industries Corporation (SABIC); Sinopec Group; RTP COMPANY; ?BASF SE; Dupont; DSM; M&G Group; Lanxess Corporation; Nan Ya Plastics; Lyondell Basell Industries N.V.; Toray Industries Inc.; Neo Group; Dhunseri Petrochem Ltd.; Lotte Chemical Corporation