How many movies have Jimmy Chu and Joseph Lai San-Lun collaborated on?

They have worked on 4 movies together! Their first movie together was American Force: The Brave Platoon (1987) while their highest rated movie together was American Commando 2 — Hunting Express (1988). They have not worked together since Robo-Kickboxer - Power of Justice (1990). They are most known for their action films together.