The requested vessel with name ZHEN YU6 and MMSI:424893644 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
ZHEN YUAN YU 817 N/A 412420836 Feb 22, 2018 12:48 UTC
ZHEN_YU 190 9750373 567551000 SRIRACHA,THAILAND Aug 11, 2017 21:54 UTC

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