This new sub (Type 09IIIB) also has new device for communications under water
Judging by its shape, the submarine perhaps carries lateral sonar array for higher precision of sonar surveillance.
The appearance of the photo confirms Western media’s speculation based on satellite photos that Type 093 submarine has been improved.
However, all the above is but speculation as there has so far been no official information about the new submarine, not even about its exact type.
4th generation of nuclear submarine.
China's submarine detection system and AUV at 2000 metres beneath sea surface, defence against foreign intrusions.