How many movies have Ding Liang and Yutian Meng collaborated on?

They have worked on 5 movies together! Their first movie together was Boonie Bears: Robo-Rumble (2014) while their highest rated movie together was Boonie Bears: A Mystical Winter (2015). They have not worked together since Boonie Bears: Blast into the Past (2019). They are most known for their animation films together.