How many movies have Lai Yu and Peng Yen-Lien collaborated on?

They have worked on 19 movies together! Their first movie together was The Legend of the 7 Golden Vampires (1974) while their highest rated movie together was The 36th Chamber of Shaolin (1978). They have not worked together since Disciples of the 36th Chamber (1985). They are most known for their action films together.