The requested vessel with name HUA WAN and MMSI:0 and IMO:7520217 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
HUA WANG 8219619 636010226 MOKPO ANCHORAGE Sep 30, 2017 06:37 UTC

Also, you may try to find the vessel in our comprehensive Vessels Database or track this ship on the map.