Duan Yunzi would be promoted to the senior team of Dalian Yifang and go on to make his debut in a 2014 Chinese FA Cup game on 15 July 2014 against Yanbian Baekdu in a 2-0 defeat.
[1] To gain more playing time he was loaned out to newly promoted third tier club Shenyang Urban on 9 March 2016.
[2] He would extend his loan at Shenyang Urban before joining another third tier club in Sichuan Longfor on loan for the 2018 China League Two league season, where he went on to establish himself as vital player as the club gained promotion when they won the division title without losing a single game.
He would go on to continue to be a vital member of the team as he was able to keep them within the division and avoid relegation, however the club was dissolved after they failed to submit the salary & bonus confirmation form before the 2020 season.
[6] This would be followed by another division title win and promotion as the club entered the top tier for the first tine in their history.