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 417 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 417 class is a bucket dredger.
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.
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.
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.
{{Infobox ship career |Hide header=
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.
The Dongxiu 912 class repair dry dock 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. Dongxiu 912 class repair dry dock is specifically developed to maintain / repair Type 037 corvette.
The Dongbo 39 class barge is a little known 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 the mid-2010s.
The Beituo 617 class tug is a little known class of naval auxiliary currently in service with the People's Liberation Army Navy (PLAN). The name of this class is taken from that of the first unit commissioned, with the exact type still remaining unknown; a total of two of this class have been confirmed as being in active service as of the mid-2010s. The Beituo 617 class is a single deck design with a two level superstructure, a platform is atop of the second level.
The Ducha-class large harbor tug (YTB) is a very little known naval auxiliary ship/tugboat currently in service with the People's Liberation Army Navy (PLAN).The exact type still remains unknown, but it has received NATO reporting name Ducha class.More than a dozen of this type have been confirmed in active service as of early-2020s, making it one of the most numerous class of tugs in Chinese service.The Ducha class is a design of single deck with three levels of superstructures, with the top level retracted backward from the edge of the bottom two levels.
Duda class large harbor tug (YTB) is a class of little known naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN),and has received NATO reporting name Duda class,with exact type still remains unknown. A total of eleven of this class have been confirmed in active service as of 2022Unlike other tugs in Chinese service, This class is the only tug having a chimney with rectangular/square cross section, and thus easily distinguishable by the sharp edges of the chimney.
Beituo 699 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. Type 699 is a design of a single deck with three levels of superstructure, and its bulwark is stepped, with the elevated portion covering the frontal half of the first level of the superstructure.
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.
Haixiu 121 class tug is a class of naval auxiliary ship currently in service with the People's Liberation Army Navy (PLAN). The class is named after the first unit commissioned, and only a single unit of this class is known to be in active service.
The Datuo class is a class of little known rescue and salvage ships (ARS) built in the People's Republic of China (PRC) for the People's Liberation Army Navy (PLAN). The exact domestic Chinese type designation remain unknown, and this class is identified by its NATO reporting name Datuo class, or 大拖 in Chinese, meaning "big tug".
The Haijiu 101 class is a class of little known rescue and salvage ship (ARS) built in the People's Republic of China (PRC) for the People's Liberation Army Navy (PLAN). The exact domestic Chinese type designation remains unknown, and this class is identified by its NATO reporting name Haijiu 101 class, or 海救 101 in Chinese, meaning "sea rescue 101", because this class is the navalized civilian version of the rescue tug. The first unit had pennant number 101 when first entering civilian service. Its length is 110 meters.
The Dunado class is a class of little known medium harbor tugs (YTM) built in the People's Republic of China (PRC) for the People's Liberation Army Navy (PLAN). The exact domestic Chinese type designation remain unknown, and this class is identified by its NATO reporting name Dunado class, The Dunado class in PLAN service is designated by a combination of two Chinese characters followed by three-digit number. The second Chinese character is Tuo (拖), meaning Tug in Chinese. The first Chinese character denotes which fleet the ship is service with, with East for East Sea Fleet, North for North Sea Fleet, and South for South Sea Fleet. However, the pennant numbers may have changed due to the change of Chinese naval ships naming convention. As of mid 2010s, only a single unit has been positively identified:
People's Liberation Army Navy 