In the 1980s, the main trading means was border trade between Yanbian and DPRK, which was taken the place of by S.Korea and Russia by the middle of 1990s.

• 80年代以来延边与朝鲜的边境贸易是延边主要的贸易方式，进入90年中期以后这个地位逐渐被韩国和俄罗斯所代替。