How many movies have Cheung Ka-Fai and Karen Yip Kar-Yan collaborated on?

They have worked on 3 movies together! Their first movie together was Golden Chicken (2002) while their highest rated movie together was Twilight of the Warriors: Walled In (2024). They have not worked together since Twilight of the Warriors: Walled In (2024). They are most known for their thriller films together.