Reports that China is blocking North Korean ships and coal shipments by sea have yet to filter through to numerous Chinese ports, where trade appears to be business as usual, data from Marine Traffic and satellite imagery show.

The NK News ships tracker showed numerous vessels headed from coal ports in China to the DPRK in the last two weeks, when the first reports of ship embargoes began to circulate. But since the UN’s most recent resolution was passed on March 2, the exact status of North Korean ships when entering ports across China has been unclear