Ran Xinquan, General Manager, Deputy Secretary of the Party Committee and Professor-level Senior Engineer.

Qu Guangxue, Party Secretary, Deputy General Manager and Professor-level Senior Engineer.

Huayang, executive deputy general manager (bureau level), member of Party Committee, professor-level senior engineer.

Zhou Zongqiang, deputy general manager, safety director, member of Party Committee and professor-level senior engineer.

Liu Ziqiang, deputy general manager, director of mining department, member of Party Committee and professor-level senior economist.

Li, deputy general manager, member of the Party Committee and professor-level senior engineer.

Yang Zaisheng, Deputy General Manager, Party Committee Member and Professor-level Senior Engineer

Deputy General Manager, Party Committee Member and Senior Engineer of Ling Oilfield Installation

Feng Yousheng, Deputy Secretary of Party Committee, Secretary of Discipline Inspection Commission, Chairman of Trade Union and Senior Economist of Human Resource Management

Chief Accountant, Party Committee Member and Senior Accountant Liu De

Zhang Minglu, chief geologist, member of Party Committee and professor-level senior engineer.

This is the person in charge of Changqing, not confidential. As we all know, if you want to start a business, you should start with them.