China National Petroleum Corporation
China Petroleum & Chemical Corporation
China National Offshore Oil Corporation
Sinochem Group
China National Chemical Corporation
China National Nonmetallic Minerals Industrial Corporation
Lucky Company, Inc.
China Yang Zi Group Corporation
China Shen Ma Group Co., Ltd.
Tianjin Bohai Chemical Group Corporation
Dagang Oil Group Limited
Shandong Haihua Group
Shanghai Tianyuan Group Limited
Juhua Group Corporation
