人人爱碰,久久一区?激情,超碰人妻免费,明日叶在线看,精品久久久久久人妻,久热精品视频肏,超碰人人妻在,手机看片天天干,少妇上门,热久久久久久久呀

中文版

Contact us: 086 010 51915010

Zhang Kang

Expert of China Energy Net Expert
Advisory Committee

Deputy Director of the Consultant Committee of the Petroleum Exploration, Development and Research Institute of Sinopec, Standing Executive Member of China Energy Research Society. Former Chief Engineer of the Exploration, Development and Research Institute of Sinopec, expert of the Consultant Committee of China International Engineering Consulting Corporation, Vice Secretary of the Information Society of Sinopec and Director of Exploration, Development and Research Society. Graduated from Geology Department of Peking University.

Research Field:Oil & gas exploration, Unconventional oil and gas

    Energy Information And Consulting Service Provider Energy Information And Consulting Service Provider Energy Information And Consulting Service Provider.Energy Information And Consulting Service Provider Energy Information And Consulting Service Provider Energy Information And Consulting Service Provider.
  • Journal
  • Report

Our Services

    Energy Information And Consulting Service Provider Energy Information And Consulting Service Provider Energy Information And Consulting Service Provider.Energy Information And Consulting Service Provider Energy Information And Consulting Service Provider Energy Information And Consulting Service Provider.

  • Information Service
  • Consulting
  • Event Management

Contact us

    Address: 14/F Building A, Zhongya Mansion,8 Beifengwo Street, Beijing 100038 China
    Tel:86-10-51915030
    Fax:86-10-51915237