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Duan, 195 1 person, engaged in calligraphy creation for more than 40 years. National first-class painting and calligraphy artist and famous social activist. He is currently the deputy director of the Painting and Calligraphy Committee of China National Culture and Art Foundation of the Ministry of Culture and the executive vice president of Shi Sheng Painting and Calligraphy Institute of Shaanxi Province. In 2007, at the winter large-scale painting and calligraphy auction held by Zhongdu International in Beijing, Duan's two works "Heart Sutra" and "Benevolence" were sold for 55,000 yuan and 33,000 yuan respectively.