Dandong :
 

Dandong (simplified Chinese: 丹东; traditional Chinese: 丹東; pinyin: Dāndōng), previously known as Andong and Antung, is a city in Liaoning Province, Northeast China. It lies on the border between China and North Korea, which is marked by the Yalu River, and is the largest border city in China. Also, to the southwest of the city, the river flows into Korea Bay. The city has therefore had a dynamic history because of its strategic location for the northeast's rich natural resources and because of its convenient access to the ocean.
 
Dandong is designated a major export production center in Liaoning province. Dandong is a port city connected by rail with Shenyang and Sinuiju in North Korea.
 
The Hushan (Tiger Mountain) Great Wall, the far Eastern end of the Great Wall of China, is located here. As of 2012 it is the largest city on the China-North Korea border,and a lot of trade to and from North Korea flows through this city.
 
The size of the administrative city (prefecture) is 14,981.4 square kilometres (5,784.4 sq mi);[5] as of 2005, the urban area is 563 square kilometres (217 sq mi) in size and has 780,414 inhabitants. The administrative city covers around 2.4 million inhabitants as of 2009.

The total GDP of the city of Dandong is 9.52 Billion yuan in year 2009 (ranked 40th out of the 58 cities and counties in Liaoning province). The GDP per capita of the city of Dandong is 12414 Yuan in 2009 (ranked 52nd out of all 58 cities and counties in Liaoning province).
 
China handles roughly 40% of North Korea's worldwide export trade ($1.58 of 4 billion USD) and 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.
 
Dandong is widely known in China for producing the Dandong Yellow Sea brand busses. The port of Dandong is being developed into the second major international logistics center of Liaoning and has become a notable alternative to the port of Dalian.
 
The city had “5.86 million tourists” in 2004, of which 16,000 of those traveled into North Korea; another 81,000 of those were from overseas and pumped $27.54 million USD into the economy. During 2004, “the total tourism income was 4.02 billion Yuan [RMB],” and this was an increase of almost 33% from the previous year.

Development Zones
 
Dandong Border Economic Corporation Zone was approved as a national-level development zone in 1992. It is located on the bank of Yalu River, opposite the North Korean city of Sinuiju. It encourages the following industries: electronic information, machine manufacturing, bio-pharmaceuticals, among others.
 
Dandong Qianyang Economic Development Zone was first approved by Dandong City as a Special Economic Zone, in 1994 by Liaoning Province as Liaoning Dandong Qianyang Economic Development Zone (LDQEDZ). In July 2009, the development of the Liaoning Coastal Economic Belt was listed as a national strategy. Qianyang Town, situated at the eastern tip of the Belt is now an important component of Dandong's coastal development, and has an opportunity to demonstrate its strategic position