How many movies have Billy Lau Nam-Kwong and Tai Wan-Wai acted in together?

They have worked on 3 movies together! Their first movie together was Police Story 2 (1988) while their highest rated movie together was Miracles: The Canton Godfather (1989). They have not worked together since Miracles: The Canton Godfather (1989). They are most known for their action films together.