What kind of business is Su Guoping in? Director of Antai Technology

Mr. Su Guoping: Born in 1966, he has a Bachelor's Degree in Engineering from the Department of Chemical Engineering and a Master's Degree in Engineering from the Department of Materials of Tsinghua University, and is a Senior Engineer. He was a director and general manager of Beijing Tianlong Tungsten Molybdenum Technology Co. Mr. Guoping is currently a non-executive vice president of the Company, a director of the seventh session of the Board of Directors of the Company, and a director and general manager of Antai Tianlong Tungsten and Molybdenum Technology Co. He is also an executive director of Antai Tianlong (Tianjin) Tungsten & Molybdenum Technology Co., Ltd., an executive director of Baoji Jinglong Tungsten & Molybdenum Technology Co., Ltd., the chairman of Weihai Polycrystalline Tungsten & Molybdenum Technology Co. He holds the following social positions: member of the National Technical Committee for Standardization of Professional Technologies, editorial committee member of China Molybdenum Industry, vice president of Tianjin Academician and Expert Promotion Association, vice president of Tianjin Small and Medium-sized Enterprises Association, and member of Tianjin Baodi District Political Consultative Conference.