2. China Mobile Communications Corporation (the largest mobile communications operator in the world)
3. China Construction Engineering Group Co., Ltd. (a giant in the field of global real estate development and engineering construction)
4. China Petrochemical Co., Ltd. (one of the important enterprises in the global energy and chemical industry)
5. China Oil and Gas Co., Ltd. (one of the largest oil and gas exploration and production enterprises in the world)
6. Qingdao Haier Co., Ltd. (a listed company under Haier Group, which is mainly engaged in the home appliance electronics industry)
7. China Power Engineering Consulting Group Co., Ltd. (one of the important enterprises in the field of global power engineering design)
8. China Railway Construction Co., Ltd. (one of the backbones of global engineering construction and project management)
9. Yanzhou Coal Industry Co., Ltd. (one of the largest coal producers in the world)
10. Shandong Energy Group Co., Ltd. (one of the leading enterprises in the domestic energy industry)