Du Jianjun, veteran. He once served as a projectionist, news reporter, librarian, and club director of a certain department of the Chinese People's Liberation Army, and during his time in the army, he was awarded the third class merit twice, the outstanding soldier twice, and the commendation once. He is currently a teacher of Chinese Studies and Modern Education in the Central Electrification Education Center of the Ministry of Education (senior), a registered teacher of the Examination Center of the Chinese Calligraphers Association (intermediate), a member of the Gansu Calligraphers Association, a member of the Gansu Young Calligraphers Association, a member of the Gansu Hard Pen Calligraphers Association, a deputy secretary-general of the Lintao County Calligraphers Association, the secretary general of the Dingxi Xiangguang Charity Public Welfare Council, the deputy secretary general of the Lintao County New Stage Association, and the principal of Lintao Zhishan Deyuan Traditional Culture and Art School. In 2020, he was rated as "Dingxi Good Man" by the Publicity Department of the Dingxi Municipal Party Committee, and the founded school was rated as a "lifelong learning brand project" by the Ministry of Education and the Department of Education.
In October 2011, his calligraphy works won the gold medal in the invitational competition for Chinese artists' poetry and calligraphy works in the second section of "Ode to Harmony"; in January 2012, his calligraphy works won the third prize in the calligraphy category in the 11th "Kunlun Literature and Art Award" of Lanzhou Military Region; in August 2012, his calligraphy works won the second prize in the exhibition of calligraphy and fine art photography works celebrating the 85th anniversary of the founding of the Army by the headquarters of the Lanzhou Military Region; and in November 2015, he joined the Gansu Provincial Young Calligraphers Association In May 2016, he participated in the 13th Calligraphy Creation Improvement Class Training of Gansu Calligraphers Association; in September 2016, his calligraphy works were included in the exhibition "Classics of Academy - Contemporary Chinese Art Calligraphy Works Competition" (organized by the Propaganda Department of Gansu Provincial Party Committee, Gansu Provincial Federation of Literature and Literature, and Gansu Daily Newspaper) in June 2017, he obtained the calligraphy examination registered teacher qualification certificate of The Chinese Calligraphers Association (intermediate level)
In April 2017, he participated in the training class of the first phase (calligraphy and seal carving) of Lintao, Gansu Province, a professor of the Training Center of the China Book Association and the tutor studio of Qian Songjun; in June 2017, his calligraphy works were included in the exhibition of the 13th calligraphy creation improvement class of the Gansu Calligraphers Association; in October 2017, his calligraphy works won the second prize in the "Welcome to the Nineteenth National Congress of Acura New Lintao" calligraphy and painting works exhibition. In April 2018, he obtained the Certificate of Teacher of Traditional Chinese Studies and Modern Education of the Central Electrochemical Education Museum of the Ministry of Education. In June 2018, his calligraphy works won awards in the 2017 Teaching Achievement Exhibition of the Training Center of Gansu Calligraphers Association. In August 2019, his calligraphy works won the prize in the "Lintao County Retired Veteran Cadres and Elderly University Teachers and Students Celebrating the 70th Anniversary of the Founding of the People's Republic of China Calligraphy and Painting Photography Exhibition". In September 2019, the calligraphy works were published in the "Hanmo Danqing Birthday. In celebration of the 70th anniversary of the founding of New China, the county's calligraphy and fine art works exhibition won the third prize, and in June 2020, the calligraphy works won the Excellence Award in the collection of literary and artistic works with the theme of "Unity of Purpose and Fighting the Epidemic" in Dingxi City. In October 2020, the Zhishan Deyuan Traditional Culture and Art School was rated as a "Lifelong Learning Brand Project" by the China Adult Education Association and the Gansu Provincial Department of Education. In November 2020, he was rated as a "good person in Dingxi" by the Propaganda Department of the Dingxi Municipal Party Committee. In December 2020, he was named the 2020 Advanced Worker by the Lintao County Calligraphers Association. In December 2021, he was named the 2021 Advanced Worker by the Lintao County Calligraphers Association.
