the city of Rason. In addition, a Chinese company in 2017 leased a dock for 10 years at the port. Economy Foreign Investments The Rason Emperor Hotel and Casino is a resort and casino in Rason owned by the Emperor Group, a diversified Hong Kong based commercial group. Oil Refinery Rajin Oil Refinery is the largest oil refinery in North Korea. Although North Korea itself lacks oil wells, they can and do import oil from other countries to supply their refineries. Large oil tankers are spotted multiple times unloading at the Rajin port. Mining Rason is found to have a rich mineral storage, minerals such as coal, iron, magnesite, and clay are plentiful. Ship building Rason is home to No 28 Shipyard Najin, a shipbuilder and supplier to the Korean People's Navy. Transport Rail Rajin Station is on the Pyongra Line and Hambuk Line. The Hongui Line was opened in 1959, connecting Rason with the Russian Khasan on the Tumen River; the river is the natural North Korea–Russia border. Road The Tumen River Bridge connects between Hunchun and Rason. Sister cites Hunchun, Jilin, Yanbian Korean Autonomous Prefecture, People's Republic of China. See also List of cities in North Korea Rajin University of Marine Transport Geography of North Korea References Further reading Dormels, Rainer: North Korea's Cities: Industrial facilities, internal structures and typification. Jimoondang, 2014. External links 360 degree panorama of Rajin Port in Rason North Korea Uncovered (North Korea Google Earth) Maps out Rason's economic infrastructure, including railways, hotels, tourist destinations, cultural facilities, ports, electricity grid, and electrified perimeter fence on Google Earth. City profile of Rason Cities in North Hamgyong Directly Governed Cities and Special Administrative Regions of North Korea Port cities and towns in North Korea