How many movies have Ning Guangyou and Yao Zhikui acted in together?

They have worked on 4 movies together! Their first movie together was UFC Fight Night 48: Bisping vs. Le (2014) while their highest rated movie together was UFC Fight Night 79: Henderson vs. Masvidal (2015). They have not worked together since UFC Fight Night 101: Whittaker vs. Brunson (2016).