What kind of hip-hop champion was Chengdu before it was divided into districts?

UKB boy. According to Yang Kai's personal Weibo, Chengdu won several street dance championships before winning the division championship. In 2004, CCTV held the first TV Street Dance Competition, and Yang Kai (Chengdu) won the championship as the champion of Chengdu, and finally entered the top four in China. In 2007, he won the single champion of UKB-BOY China Division 1VS 1 and the breaking champion of Sichuan Division of the National Street Dance Competition.