How many movies have Lee Pik-Kwan and Raymond Kwok Siu-Keung collaborated on?

They have worked on 7 movies together! Their first movie together was Thou Shalt Not Swear (1993) while their highest rated movie together was Those Were the Days (1997). They have not worked together since The Conman 2002 (2002). They are most known for their comedy films together.