How many movies have Crystal Cheung Yee-Tung and Nam Yin collaborated on?

They have worked on 3 movies together! Their first movie together was Seamy Side Of Life - A Black Chick (2001) while their highest rated movie together was Don't Let the Sun Go Down (2002). They have not worked together since Troublesome Night 13 (2002). They are most known for their comedy films together.