Mr. Meng is an executive Director and Chairman of the Board responsible for the overall strategic development, and Mr. Meng is also the Chairman of the Nomination Committee of the Board. He was appointed as Director on 28 August 2018 and re-designated as

Mr. Zhang is currently an Executive Director, Vice Chairman of the Board and Chief Executive Officer of the Group. Mr. Zhang was appointed as Director on 27 February 2019, re-designated as a non-executive Director and vice-chairman of the Board on 19 June

Ms. Xu is an Executive Director and Legal Director of the Group and responsible for the overall legal compliance and ESG matters of the Group. Ms. Xu has over 30 years of experience in commercial legal consulting and over 18 years of experience in managem

Mr. YX Meng is an executive Director and the deputy chief executive officer responsible for the overall human resources and production operational management of the Group. He has over 12 years of experience in management. Mr. YX Meng joined the Group on

Mr. Yin is currently a non-executive director of the Group and is responsible for the overall R&D and technology management of the Group. He has more than 42 years of experience in the operation of oilfield. He joined the Group on 23 August 2010 and serve