How many movies have Aubrey Lam Oi-Wah and Jojo Hui Yuet-Chun collaborated on?

They have worked on 6 movies together! Their first movie together was Who's the Woman, Who's the Man? (1996) while their highest rated movie together was Dragon (2011). They have not worked together since American Dreams in China (2013). They are most known for their drama films together.