North Korea
North Korea has the structural profile of a relatively industrialized country where nearly half of the Gross Domestic Product is generated by industry and human development is at medium levels. Purchasing power parity (PPP) GDP is estimated at $40 billion, with a very low per capita value of $1,800. In 2012, Gross national income per capita was $1,523, compared to $28,430 in South Korea. The North Korean won is the national currency, issued by the Central Bank of the Democratic People's Republic of Korea.
Dandong
A substantial portion of North Korea's international trade, both legal and illegal, passes through Dandong and Sinuiju, across the Yalu River in North Korea. China handles roughly 40% of North Korea's worldwide export trade ($1.58 of 4 billion USD) and roughly half of the bilateral commerce with China goes through Dandong which imports $468 million [USD worth of product], according to its Ministry of Commerce. Dandong's annual resident per capita wage income for 2004 was somewhere between ¥9,500 and ¥12,237 RMB and the city's GDP was 3.77 billion USD.