How many movies have Jeffrey Lau Chun-Wai and Johnnie Kong Yeuk-Shing collaborated on?

They have worked on 10 movies together! Their first movie together was The Haunted Cop Shop II (1988) while their highest rated movie together was Chungking Express (1994). They have not worked together since Just Another Pandora's Box (2010). They are most known for their romance films together.