China Mobile, China Unicom, Tietong and Telecom all have branches in Dandong.
Construction, industry and commerce, agriculture, China, transportation, Pudong Development, China Merchants, China Everbright, Dalian, Jinzhou, Dandong, Liaoning Rural Commercial Bank (formerly Liaoning Credit Cooperative), Post, Dandong and other banking joint-stock companies.
State Grid-Northeast Taiping Bay Power Plant Huaneng-Dandong Power Plant Guodian Power-He Yu Company Taiping Mountain Power Plant Jinshan Thermal Power Plant State Grid-New Energy Pushihe Power Plant Huadian-Jinshan Thermal Power Plant Ocean Hongfeng Power Plant and so on are all owned by Dandong.
Dandong Wuxing Chemical Fiber, Dongfa, Clone, dandong port, Shuguang Axle, Huanghai Automobile, Rilin Construction, 5 18 Crankshaft, Hengxing Chemical Industry and Jinwan are all big companies in Dandong.
Whipple Electronics Company. It is also a big company in Dandong, which is not well known to outsiders. This is a secret and mysterious company that monopolizes 890% computers and tablets in North Korea. There are also a large number of Koreans working in the company.