China Petrochemical Hainan Refining and Chemical Co., Ltd.
Hainan Yin Da Group Co., Ltd.
Hainan construction group co., ltd ..
Haima investment group co., ltd ..
China Petrochemical Co., Ltd. Hainan Petroleum Branch.
Hainan Power Grid Corporation.
CNOOC Petrochemical Co., Ltd. ..
China Tobacco Corporation Hainan Provincial Company.
10 Hainan Jinhai Pulp and Paper Co., Ltd.