How many movies have Carmen Yeung Ka-Man and Philip Keung Ho-Man acted in together?

They have worked on 3 movies together! Their first movie together was Raped by an Angel 5: Advertising Temptations (2003) while their highest rated movie together was To Seduce an Enemy (2003). They have not worked together since Sex and the Central (2003). They are most known for their thriller films together.