How many movies have Alan Chui Chung-San and Chin Yuet-Sang acted in together?

They have worked on 7 movies together! Their first movie together was Bruce Lee and I (1976) while their highest rated movie together was The 36th Chamber of Shaolin (1978). They have not worked together since Last Hurrah for Chivalry (1979). They are most known for their action films together.