What is the level of Zhao Chengan's calligrapher?

At the national level. Official website, an artist handed down from ancient times, shows that Zhao Cheng 'an is a national first-class calligrapher. He graduated from the Fine Arts Department of Nanjing University and is a member of China Calligraphy Association. His works have won many awards in the National Calligraphy Competition. His representative works include Spring and Snow in Qinyuan, Destiny and Destiny, Jin Shun, Rewarding Diligence in Heaven and so on.