Vessels sailed from North Korea and are owned by Pyongyang-based companies.

Two more North Korean ships arrived at a Chinese terminal which receives coal and iron on Wednesday, the NK Pro vessel tracker shows, despite UN restrictions on importing both commodities from the DPRK.

While conclusively ascertaining the direction of the trade from ship tracking data and satellite imagery alone is challenging, information from vessel tracking website Marine Traffic shows the two vessels were sitting low in the water before they arrived, an indication that they were loaded with cargo.

The two DPRK ships arrived at the Penglai terminal in China’s northeast on Wednesday morning