How many movies have Arthur Chen and Ou Hao acted in together?

They have worked on 3 movies together! Their first movie together was Secret Fruit (2017) while their highest rated movie together was The Volunteers: The Battle of Life and Death (2024). They are most known for their history films together.

Role
(segment "The Guiding Star")
Role
Liang Changshou, Lin's assistant (segment "The Eve")