“The North Korean authorities have designated six more economic development zones, bringing the total number up to nineteen.
These zones were established in different regions of North Korea, with specialties according to region. There are small and medium-scale development zones that were established with $100 million USD worth of money from both domestic and foreign investors as well as large-scale development zones that were established with additional money from investors. These development zones focus on agriculture, tourism, industry, and trade, respectfully. ”

http://www.dailynk.com/english/read.php?cataId=nk00400&num=12167 http://www.nkeconwatch.com/category/economic-reform/special-economic-zones-2/economic-development-zones-2013/ http://www.voanews.com/content/north-korea-designates-6-more-special-economic-zones/1964655.html