How many movies have Lau Ling-Fung and Law Oi-seung collaborated on?

They have worked on 3 movies together! Their first movie together was The Black Musketeer 'F' (1966) and was their highest rated movie together. They have not worked together since Lady in Black Cracks the Gate of Hell (1967). They are most known for their action films together.

Crew
Screenplay
Role
Muk Sau-Chen
Crew
Assistant Director