 With them he would help see them win promotion to the second tier as well as starting to establish himself within the team.At the beginning of the 2003 league season Sun Shoubo would now establish himself as Dalian Saidelong's first choice goalkeeper but would have to move to Zhuhai to further his career when Dalian Saidelong moved and renamed themselves Zhuhai Anping.With the chance to play in the top tier Sun Shoubo would transfer to Sichuan Guancheng at the beginning of the 2004 Chinese Super League season.