Don is Allen's agent. Tang, Ren Jialun's business agent, was one of the founders at that time. Because of economic disputes, he left Song He, taking away a lot of business resources, which caused the new brokerage team to demand more docking and slow down.

Allen,1April 1989 1 1 was born in Qingdao, Shandong. In 2008, he graduated from Qingdao Foreign Affairs Service Vocational School, majoring in aviation service, and was an actor and singer in China. In 2009, he participated in the "Sprite Yang Fei New Voice Generation Gaotu" and entered the top 3 in Qingdao Division. 20 10 won the title of "Excellent Asian Games Singer" in the National Finals of "Sound Won Gold, Singing the Asian Games". 20 1 1 Through competition selection, he joined the Chinese and Korean groups to become trainees, and served as captain, lead dancer and rap. Later, he failed to make his debut for some reason, and ended his overseas study and returned to China for development on 20 14.