How many movies have Cacine Wong Ka-Sin and Sean Lau Ching-Wan collaborated on?

They have worked on 7 movies together! Their first movie together was Heroic Trio 2: Executioners (1993) while their highest rated movie together was Bomb Disposal Officer: Baby Bomb (1994). They have not worked together since My Left Eye Sees Ghosts (2002). They are most known for their comedy films together.