Zhang Chengyin, named Shi San, was born in September 2007 1957, with a bachelor's degree. He is now a member of China Calligraphers Association, a member of China Education Association, an assistant tutor of advanced calligraphy research class of Tsinghua University Academy of Fine Arts, the deputy director of the calligraphy and painting art committee of Collection Art Network, and the calligraphy and painting channel "seal cutting".
Learn from the famous calligrapher Mr. Wang.