|South Hamgyong Province|
The Jeongchon mine is one of the largest graphite mines in North Korea and in the world. The mine is located in the center of the country in South Hamgyong Province. The mine has estimated reserves of 6.25 million tonnes of ore 5.53% graphite.
- "The mining industry of North Korea". chinapost.com.tw. 2009. Retrieved 2013-07-03.