The requested vessel with name HAI ZHOU and MMSI:0 and IMO:7646920 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
HAI ZHOU JIAO 2 N/A 412767840 Dec 13, 2017 22:27 UTC
HAI ZHOU TUO 1 N/A 698000951 Jun 02, 2013 05:44 UTC

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