How many movies have Norman Chui Siu-Keung and Wanting Liu acted in together?

They have worked on 1 movie together! Their first movie together was The New Fong Sai Yuk: Duel in the City of Death (2019) and was their highest rated movie together. They have not worked together since The New Fong Sai Yuk: Duel in the City of Death (2019).