How many movies have Jeffrey Lau Chun-Wai and Pak Man-Biu collaborated on?

They have worked on 4 movies together! Their first movie together was Fist of Fury 1991 (1991) while their highest rated movie together was The Legendary La Rose Noire (1992). They have not worked together since The Legendary La Rose Noire (1992). They are most known for their comedy films together.