How many movies have Chan Kiu-Ying and Stanley Fung Shui-Fan collaborated on?

They have worked on 3 movies together! Their first movie together was Naughty Girls (1983) while their highest rated movie together was In the Line of Duty 3 (1988). They have not worked together since In the Line of Duty 3 (1988). They are most known for their crime films together.