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 management of the oil pipe manufacturing industry. She joined the Group on 1 April 2003 and served as the Assistant General Manager, Deputy General Manager, General Legal Counsel and Secretary to the Board of Directors of Dalipal Pipe. She was also a director of Dalipal Pipe from August 2007 to April 2010 and since October 2013. Ms. Xu is also a director of certain subsidiaries of the Group. Ms. Xu obtained a diploma in legal education in network education institute of Shandong University in July 2004，the qualification of PRC lawyer in June 1996，the qualification of Senior Corporate Compliance Specialist in December 2022，and the qualification of registered ESG analyst in October 2023.