How many movies have Li Congxi and Yin Yuanzhang collaborated on?

They have worked on 3 movies together! Their first movie together was Decisive Engagement: The HuaiHai Campaign (1991) while their highest rated movie together was The Breakthrough: Battle of Southwest Lu (1996). They have not worked together since The Breakthrough: March to Dabie Mountain (1996). They are most known for their war films together.