How many movies have Apollo Yu and Meng Nuo acted in together?

They have worked on 1 movie together! Their first movie together was Only Child, Upward, Downward, Forward, Backward, Rightward and Leftward (2007) and was their highest rated movie together. They have not worked together since Only Child, Upward, Downward, Forward, Backward, Rightward and Leftward (2007).