Ex-girlfriend Dai Jinyi, a well-known model named Dai Jin, female, Han nationality, was born in Jilin City, Jilin Province, 1988. She graduated from the normal department of Beihua University and is a well-known model in China. She started her own slimming product "Xiaojin", which was once popular in WeChat business. Later, she gave up the brand to resist imitation. 20 15, a slimming product jointly produced with Korean slimming queen Duoyan Zheng, has once again become the focus, and it is the representative of beautiful entrepreneurs born in 1980s.