How many movies have Norman Chui Siu-Keung and Wu Guobao acted in together?

They have worked on 4 movies together! Their first movie together was Return to Lanruo Temple (2021) while their highest rated movie together was Iron Kung Fu Fist (2022). They have not worked together since Ten Tigers of Guangdong: Invincible Iron Fist (2022). They are most known for their action films together.