How many movies have Lowell Lo Koon-Ting and Tsim Siu-Ling acted in together?

They have worked on 3 movies together! Their first movie together was Slickers vs. Killers (1991) while their highest rated movie together was A Chinese Odyssey Part One: Pandora's Box (1995). They have not worked together since A Chinese Odyssey Part One: Pandora's Box (1995). They are most known for their comedy films together.