Dubei class target ship (AGT) and range supporting vessel is a very little known auxiliary ship of the People's Liberation Army Navy (PLAN), and has received the NATO reporting name Dubei class. Originally built as a SWATH test platform, it was subsequently converted to a target ship by adding radar reflectors and other electronic equipment to simulate various targets in support of anti-ship weaponry development, but is still capable of housing different scientific instruments to perform various research tasks, and thus also acts as general purpose research ship (AGE).
Beiqi 346 class crane ship is a class of naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and a total of four units of this class have been confirmed in active service as of mid-2010s.
Beiqi 384 class crane ship is a class of naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and only a single unit of this class have been confirmed in active service as of mid-2010s.
Beijun 204 class dredger is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and only a single unit of this class have been confirmed in active service as of mid-2010s. In comparison to other dredger in Chinese military service, Beijun 204 class is also capable of performing floating pile driver missions with two piles it is equipped with, one on each side of the ship.
Dongjun 433 class dredger is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and only a single unit of this class have been confirmed in active service as of mid-2010s. Dongjun 434 is a bucket wheel dredger.
The 500 cubic meter-class barge is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and a total of seven of this class have been confirmed in active service as of mid-2010s. This class has twin chimneys.
Dongbo 22 class barge is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and a total of three of this class have been confirmed in active service as of mid-2010s.
Dongjun 434 class dredger is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and only a single unit of this class have been confirmed in active service as of mid-2010s. Dongjun 434 is one of the few Chinese naval ships made by western countries, and it is built by DEMAG.
Nanjun 610 class dredger is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and a total of two of this class have been confirmed in active service as of mid-2010s.
Donggong 429 class floating pile driver is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and only a single unit of this class have been confirmed in active service as of mid-2010s.
The Beijiao 39 class dispatch boat is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN).
Duludao class dispatch boat is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The exact type still remains unknown, but it has received the NATO reporting name Duludao class. Of approximately more than a dozen units commissioned, many of them have been decommissioned since mid 2010s.
The Dumuju class is a class of dispatch boat (YFL) currently in service with the People's Liberation Army Navy (PLAN). The exact type still remains unknown, and it has received NATO reporting name Dumuju class,with only a single unit of this class have been confirmed in active service as of mid-2010s.
Duzhou class dispatch boat (YFL) is a class of naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN), and has received NATO reporting name Duzhou class, with the exact type still remains unknown, and only a single unit of this class have been confirmed in active service as of mid-2010s.
Duchuan class dispatch boat (YFL) is a class of little known naval auxiliary ship currently in service with the Chinese People's Liberation Army Navy (PLAN), With the exact type still remains unknown, it has received the NATO reporting name Duchuan class, or 渡船 in Chinese, meaning Ferry Boat. A total of three units of this class have been confirmed in active service as of 2022.
Nanjiao 90 class dispatch boat is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and a total of two units of this class have been confirmed in active service as of mid-2010s. Nanjiao 90 class has a narrow landing ramp built in the bow, the only Chinese naval dispatch boat with this feature.
Nanshui 701 class water tanker is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and only a single unit of this class have been confirmed in active service as of mid-2010s.
Fujian-class tanker is a class of naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN), and has received NATO reporting name Fujian class. The exact type designation still remains unknown, and a total of twenty of this class have been confirmed in active service as of early-2020s, both in transport oil tanker and water tanker versions.
Type 633 heavy-lift ship is a type of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and a total of three of this class have been confirmed in active service as of mid-2010s. Type 633 is mainly deployed in rescue and salvage operations.
Beituo 702 class tug is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The name of this class is after the first unit commissioned, with the exact type still remains unknown, and only a single unit of this class have been confirmed in active service as of mid-2010s.
People's Liberation Army Navy 