Sun Jianjun (1954~), whose pen name is Yiqiu, was born in Tianlu and Wuqing. A member of the Chinese Calligraphers Association and a member of the Sichuan Poetry Society. His works have participated in the first national seal cutting art exhibition, the fourth national calligraphy and seal cutting exhibition, and the silver medal in the second national youth seal cutting Shenlong Grand Prix. Dictionaries and works have been included in "The Great Accomplishment of Contemporary Chinese Calligraphy Art", "Dictionary of World Famous Contemporary Calligraphers and Paintings", etc.