How many movies have Cheung Tat-Ming and Joe Cheng Cho acted in together?

They have worked on 7 movies together! Their first movie together was Too Many Ways to Be No. 1 (1997) while their highest rated movie together was You Shoot, I Shoot (2001). They have not worked together since Flirting Scholar 2 (2010). They are most known for their comedy films together.