The requested vessel with name HUI FENG NIAN 6688 and MMSI:423121143 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
HUI FENG NIAN 366 N/A 413906072 Feb 22, 2018 15:02 UTC
HUI FENG NIAN 6868 N/A 413905533 Feb 22, 2018 14:56 UTC

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