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 2019, re-designated as an executive Director from non-executive Director on 1 January 2020, and was appointed as the chief executive officer on 4 April 2022. Mr. Zhang is responsible for the overall operation of the Group’s production bases and the Group’s overall sales operations. He has more than 19 years of experience in oil pipe manufacturing industry. Mr. Zhang obtained a bachelor’s degree in trade economics from Shanghai University of Finance and Economics (上海財經大學) in July 1992 and a master’s degree of arts from West Virginia University in December 2001.