On August 30, 2013, Japanese Ministry of Economy, Trade and Industry ("METI") announced its update of Foreign User List, which is WMD proliferation concerned entities list as restricted users.
The list update is just slight modification, adding another possible names of existing restricted entities of North Korea, and add one new entity in China.
One additional entity is supposed to be in China, its name is DCB Finance Limited. The quick google search shows this entity is front company of Daedong Credit Bank in North Korea. They are also sanctioned by US Department of Treasury.