How many movies have Luk Ying-Hong and Peter Cheung Yiu-Chung collaborated on?

They have worked on 7 movies together! Their first movie together was The Happenings (1980) while their highest rated movie together was Police Story (1985). They have not worked together since Police Story (1985). They are most known for their crime films together.

Role
Policeman at Station (uncredited)
Crew
Editor
Role
Policeman (uncredited)
Crew
Supervising Editor