How many movies have Chik So Yin and Stanley Chow Fook-Leung collaborated on?

They have worked on 3 movies together! Their first movie together was The Knife of Devil's Roaring and Soul Missing (1976) while their highest rated movie together was My Life's on the Line (1978). They have not worked together since My Life's on the Line (1978). They are most known for their action films together.