Introduction to the Quanhe Port: The Quanhe Port is a port to North Korea bounded by the Tumen River. It corresponds to the Wutingli Port in the Rason City Free Economic and Trade Zone in North Korea. The port is 39 kilometers away from the urban area. It is 48 kilometers away from Rajin Port in North Korea and is the only direct connection between China and Rason City in North Korea.