How many movies have Huang Jianxin and Lan Xiaolong collaborated on?

They have worked on 3 movies together! Their first movie together was The Battle at Lake Changjin (2021) while their highest rated movie together was The Battle at Lake Changjin II: Water Gate Bridge (2022). They have not worked together since The Volunteers: To the War (2023). They are most known for their war films together.