Mr. Meng is an executive Director and Chairman of the Board responsible for the overall strategic development, and leading the business development of the Group. He was appointed as Director on 28 August 2018 and re-designated as executive Director on 27

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

Ms. Xu is an executive Director appointed on 27 February 2019 and the chief legal officer responsible for the overall legal compliance of the Group. Ms. Xu is the chairlady of the ESG Committee of the Company's Board of Directors. Ms. Xu has more than 28

Mr. YX Meng is an executive Director appointed on 27 February 2019 and the deputy chief executive officer responsible for the overall human resources and production operational management of the Group.

Ms. Gan is an executive Director appointed on 27 February 2019 and the chief operating officer responsible for the overall operational and financial management of the Group. Ms. Gan has more than 36 years of experience in auditing and accounting in oil-re

Mr. Yin was an executive Director appointed on 27 February 2019 and the chief technical officer responsible for the overall research and development and technical management of the Group during the Year. With effect from 4 April 2022, Mr. Yin was re-desig

Mr. Lau joined the Group in December 2021 and appointed as the finance and investor relations director and Company secretary. Prior to joining to the Group, Mr. Lau worked as chief financial officer, Company Secretary and independent non-executive directo