How many movies have Lau Yuk-Pok and Stephen Shing Gam-Wing collaborated on?

They have worked on 4 movies together! Their first movie together was Rolls, Rolls, I Love You (1982) while their highest rated movie together was New Tales of the Flying Fox (1984). They have not worked together since New Tales of the Flying Fox (1984). They are most known for their action films together.