How many movies have Jason Chu Wing-Tong and Xu Juncong acted in together?

They have worked on 4 movies together! Their first movie together was 血战铜锣湾2 (2016) while their highest rated movie together was 东北往事之我叫赵红兵 (2022). They have not worked together since 东北往事之我叫赵红兵 (2022).