stayPyongyangsouthwest,Datong RiverDownstream left bank, distance fromestuary50 km.The population is about 50000.It was originally a fishing village on the river bank. The nearby river is wide and deep. After the opening of Beijing Yibin Railway, it developed rapidly.1914JapanRulerBuild Jian'erpu Iron Making Plant by using the rich coal and iron resources nearby.Later, it was completely destroyed in the war.Today, the Huanghai Iron and Steel Plant has been rebuilt into a brand-new modern equipment, producing iron, steel, steel and by-products such as sulfuric acid and ammonia.One of the two major steel bases in northern North Korea.Suburban agriculture is developed.It has a university of technology.
