How many movies have Kong-Keung Wong and Lam Yee Hung collaborated on?

They have worked on 7 movies together! Their first movie together was The Other Side of Dolls (1993) while their highest rated movie together was O.C.T.B. Case - The Floating Body (1995). They have not worked together since Erotic Ghost Story: Perfect Match (1997). They are most known for their crime films together.