The requested vessel with name SHUANGNING298 and MMSI:200003478 and IMO:0 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
SHUANGNING301 N/A 415838388 Feb 08, 2018 03:19 UTC
SHUANGNING888 N/A 418687890 Jan 19, 2018 14:23 UTC

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