Career
Sun started his professional football career in 2009 when he was promoted to Chinese Super League side Changchun Yatai"s first team He did not appear for Changchun in the 2009 league season. Sun began to play for the first team in the summer of 2010 as team manager Shen Xiangfu decided to give chances to young players.
On 18 August, he made his senior debut in a 2–1 home victory against Shenzhen Ruby.
Sun played 7 matches including starting 6 times in the 2010 league season. However, his playing time reduced in 2011 when he mainly spent his time in the reserve team league.
He played 4 league matches in the 2012 season, all coming off the bench in the stoppage time. On 18 May 2013, he scored his first Super League goal against Dalian Aerbin in the 68th minute, which ensured Changchun"s 2–2 draw.
