How many movies have Billy Tang Hin-Shing and Nicky Wu collaborated on?

They have worked on 9 movies together! Their first movie together was The Prequel of Gold Convoyers: An Urgent Letter (2010) and was their highest rated movie together. They have not worked together since The Prequel of Gold Convoyers: A Decisive in Tianya Village (2010). They are most known for their action films together.