Zhang Tongyin's introduction.

Zhang Tongyin, 1945, from Xinji, Hebei. Vice President, Professor and Doctoral Supervisor of China Calligraphy Culture Research Institute of Capital Normal University. Member of China Calligraphers Association, Dean of the Bookstore of China Calligraphy and Painting International University. He has served as the calligraphy judge of the first Lanting Award in China, the expert committee member of the China Calligraphy Award, the art committee member of the Beijing International Art Fair, and the art consultant of China Famous Calligraphy and Painting Network.