Anhui Shuguang Chemical Group Co. Ltd. Bluesail Group Co. Ltd. China National Petroleum Corporation
China Petroleum & Chemical Corporation (Sinopec)
Jiangsu Huachang Chemical Co. Ltd. Lihuayi Group Co. Ltd. Luxi Group Co. Ltd. Shandong Hualu-Hengsheng Chemical Co. Ltd. Shandong Jianlan Chemical Co. Ltd. Tianjin Bohai Chemical Industry Group Co. Ltd. Wanhua Chemical Group Co. Ltd. Wison (Nanjing) Chemical Co. Ltd.