Board of Directors

Mr. Wang Qiangzhong, with qualification of senior engineer, graduated from Jiangxi Metallurgy Academia (now known as Jiangxi University of Science and Technology) in July 1986, major in mining engineering. He obtained a diploma in financial management for listed companies from Shanghai University of Finance and Economics in June 2001 and his master degree of business administration from Lanzhou University in June 2011. From 2005 to 2014, he served at various positions in Gansu Lantuo Group Limited* (甘肅蘭駝集團有限責任公司), including general manager and chairman of the board of directors. During his tenure in Gansu Lantuo Group Limited*, he was also appointed as a researcher of the board of supervisors of the Gansu Provincial State-owned Assets Supervision and Administration Commission. From July 2015 to November 2025, he has acted as the chairman of the board of directors of Gansu Province Xinye Asset Management Co. Ltd.* (甘肅省新業資產經營有限責任公司). He served as the director of Baiyin Nonferrous Group Co., Ltd., the shares of which are listed on the Shanghai Stock Exchange (Stock Code: 601212) from November 2018 to January 2026. He has extensive experience in financial management and operation management.

Mr. Yen Yuen Ho, was appointed as an independent non-executive director of the Company since August 2010. He is a solicitor of Hong Kong and the United Kingdom. He is also a barrister and solicitor of Australia, and was a member of The Law Reform Commission of Hong Kong. Mr. Yen has been practicing law in Hong Kong since 1983 and was the Law Draftsman of the Department of Justice in Hong Kong from 1995 to 2007. Currently, Mr. Yen is an Adjunct Professor of the Beijing Normal University and an Honorary Court Member of the court of the Hong Kong University of Science and Technology. He was an Adjunct Professor of the City University of Hong Kong from July 2011 to June 2014. He is a director of the Hong Kong Institute for Public Administration and an Honorary Legal Adviser to the Friends of Scouting, Scout Association of Hong Kong. Additionally, Mr. Yen serves as the director of two secondary schools, the Chairman of the Neighbourhood Advice Action Council and a Member of Heep Hong Society’s Executive Council. He is also an Honorary Adviser to the Pok Oi Hospital, Honorary Adviser to the Hong Kong Academy of Nursing and the Honorary Legal Adviser to the Shanghai Fraternity Association. Mr. Yen was appointed as an Honorary Fellow of the School of Education, University of Hong Kong in 2014. In the past years, he was appointed by the HKSAR Government as a member of the Education Bureau’s Panel of Review Board on School Complaints and as the Vice-Chairman of the Social Welfare Lump Sum Grant Independent Complaints Handling Committee. Mr. Yen also serves as a guest speaker to various universities in Hong Kong. He is an independent non-executive director of Alltronics Holdings Limited and WWPKG Holdings Company Limited (the shares of which are listed on the Stock Exchange). He also served as an independent non-executive director of Beijing Energy International Holding Co., Ltd. (from 6 April 2011 to 18 June 2021). Mr. Yen was in October 2015 appointed by China Minsheng Jiaye Investment Co. Limited as an independent director.

Mr. Poon Chiu Kwok was appointed as an independent non-executive director of the Company since March 2017, holds a master’s degree in international accounting, a post-graduate diploma in laws, a bachelor’s degree in laws and a bachelor’s degree in business studies. He has years of experience in regulatory affairs, corporate finance and governance. He is an executive director, vice president and company secretary of Huabao International Holdings Limited, whose shares are listed on the Stock Exchange. He currently serves as an independent non-executive director of the following companies listed on the Stock Exchange: AUX International Holdings Limited, China Isotope & Radiation Corporation, Greentown Service Group Co. Ltd., Sany Heavy Equipment International Holdings Company Limited and Sunac China Holdings Limited. He is also an independent non-executive director of Konka Group Co., Ltd., a company listed on the Shenzhen Stock Exchange. In the last three years, he also served as an independent non-executive director of Changan Minsheng APLL Logistics Co., Ltd. (from 30 September 2011 to 30 June 2023), Yankuang Energy Group Company Limited (from 29 June 2017 to 30 June 2023) and Yuanda China Holdings Limited (from 12 April 2011 to 9 September 2023). Mr. Poon is a fellow member of CPA Australia Ltd., the Hong Kong Securities and Investment Institute, The Chartered Governance Institute of UK and The Hong Kong Chartered Governance Institute.

Ms. Han Ruixia, was appointed as an independent non-executive director of the Company since July 2022, obtained her PhD in Economics (Finance), master degree in Applied Economics (Venture Capital) and bachelor degree of Economics (Finance) from Renmin University of China. She is an independent non-executive director of China Gold International Resources Corp. Ltd. (HKEx Stock Code: 2099; Toronto Stock Exchange Stock Code: CGG) since 25 June 2019 and an independent non-executive director of Inner Mongolia Xingye Silver & Tin Mining Co., Ltd. (Shenzhen Stock Exchange Stock Code: 426) since March 2026. She was a partner of the PE Investment Department at Harvest Global Capital Investments Limited from April 2024 to April 2026. She was appointed as the executive director and deputy chief executive officer of Mason Group Holdings Limited (Stock Code: 0273) on 16 April 2020, until the privatisation of the said company completed on 13 November 2023. Prior to joining Mason Group Holdings Limited in late 2019, Ms. Han was head of operations and risk of MEC Advisory Limited, which was the sole investment advisor to Can-China Global Resource Fund. Ms. Han’s role in MEC Advisory Limited included investment, accounting, finance treasury and investor relationships related matters. Prior to joining MEC Advisory Limited in early 2014, Ms. Han was an investment manager at The Export-Import Bank of China responsible for sourcing, evaluating and negotiating investment opportunities in the banking and direct investment industry.