How many movies have Lui Hei and Ron Ng Cheuk-Hai acted in together?

They have worked on 2 movies together! Their first movie together was Turning Point (2009) and was their highest rated movie together. They have not worked together since 72 Tenants of Prosperity (2010).

72 Tenants of Prosperity (2010)

Role
Follower of Laughing Gor
Role
Vincent, Sales of Ha Kun's Store

Turning Point (2009)

Role
Role