Ms. Qu currently serves as the director of the Academic Committee of the Center for Accounting Studies of the Xiamen University, an expert in the Academic Assessment Panel of the National Social Science Fund of China, vice-chairwoman of the Cost Research Society of China and an independent director of Taikang Pension & Insurance Co. Ltd. She has been serving as an independent non-executive Director of the Company since December 2025. In the past 3 years, Ms. Qu Xiaohui once served as an independent non-executive director of PICC Property and Casualty Company Limited and an independent director of Qingdao Doublestar Co.

Ltd. Mr. Hong Bo, aged 66, was born in November 1959. He obtained a bachelor of laws from the China University of Political Science and Law and a master of world economics from the Xiamen University. He has the qualifications of practising lawyer and the senior professional title of first-class lawyer.

Mr. Hong has been engaged in legal practice and legal profession management for a long time. He successively served as a deputy to the 13th National People's Congress, a vice-president of the All China Lawyers Association, the president of the Fujian Province Lawyers Association, a special supervisor of the Supreme People's Court, a special supervisor of the Supreme People's Procuratorate, a supervisor of Party conduct, government conduct and police conduct of the Ministry of Public Security, a supervisor of the Fujian Provincial High People's Court, a special supervisor of the Fujian Provincial Public Security Department and other positions. He has also, in succession, served as an independent director of several listed companies, including Contemporary Amperex Technology Co., Limited, Fujian Dongbai Group Co.

Ltd., Fujian Star-Net Communication Co. Ltd., Ruijie Networks Co. Ltd., Zhongmin Energy Co.

Ltd. and Fujian Snowman Group Co. Ltd. Mr. Hong currently serves as the chief partner of Fujian New-Stone Law Firm, and concurrently a legislative expert consultant for the Standing Committee of the Fujian Provincial People's Congress, a consultant for the Fuzhou Municipal People's Government, an arbitrator of the China International Economic and Trade Arbitration Commission, a member of the Fuzhou Arbitration Commission, an arbitrator of the Xiamen Arbitration Commission and other positions. He has been serving as an independent non-executive Director of the Company since December 2025.

In the past 3 years, Mr. Hong Bo once served as an independent director of Contemporary Amperex Technology Co., Limited and Ruijie Networks Co. Ltd. Mr. Wang Anjian, aged 72, was born in April 1953. He is a doctor of science, a professor and the chief scientist for global mineral resources strategy research of the Chinese Academy of Geological Sciences.

He has been engaging in research in regional metallogeny, resource industry economics and global mineral resources strategy research for a long time. He previously served as the director of the Mineralisation Prospecting Division and the Research Center for Strategy of Global Mineral Resources at the Chinese Academy of Geological Sciences, successively leading and managing over 40 projects, including 973 Program of China, scientific and technological breakthrough projects of the Ministry of Science and Technology, science and technology supporting scheme (topic), significant projects of the National Natural Science Foundation of China, the National Development and Reform Commission, the National Strategic Reserves Administration, the National People's Congress, the Ministry of Environmental Protection, the Chinese Academy of Engineering, national land surveys, etc. He led the national survey of China's mineral resources (2007-2012) and the new round of evaluation on the mineral resources security level (2013-2017).

He has published 4 monographs and more than 220 papers in domestic and international academic journals. He led the publication of 114 series and thematic strategic research reports, obtained 3 national invention patents and won 8 national land resources science and technology awards. Mr. Wang currently serves as an independent non-executive director of China Hanking Holdings Limited.

He has been serving as an independent non-executive Director of the Company since December 2025. In the past 3 years, Mr. Wang Anjian once served as an independent director of Chongyi Zhangyuan Tungsten Co. Ltd.