How many movies have Huang Jianxin and Zhao Haicheng collaborated on?

They have worked on 4 movies together! Their first movie together was Love Undercover 2: Love Mission (2003) while their highest rated movie together was The Battle at Lake Changjin II: Water Gate Bridge (2022). They have not worked together since The Battle at Lake Changjin II: Water Gate Bridge (2022). They are most known for their action films together.