How many movies have Alfred Cheung Kin-Ting and Kate Tsui Tsz-Shan acted in together?

They have worked on 3 movies together! Their first movie together was The Contract Lover (2007) while their highest rated movie together was 72 Tenants of Prosperity (2010). They have not worked together since I Love Hong Kong 2013 (2013). They are most known for their comedy films together.