How many movies have Joey Leung Wing-Chung and Shing Fui-On acted in together?

They have worked on 5 movies together! Their first movie together was Triads: The Inside Story (1989) while their highest rated movie together was The Blue Jean Monster (1991). They have not worked together since Don't Shoot Me, I'm Just a Violinist (1994). They are most known for their comedy films together.