How many movies have Peter Cheung Yiu-Chung and Tiffany Lau Yuk-Ting collaborated on?

They have worked on 3 movies together! Their first movie together was Profiles of Pleasure (1988) while their highest rated movie together was Vampire Vs. Vampire (1989). They have not worked together since Vampire Vs. Vampire (1989). They are most known for their action films together.