The Type 802 tug is a Chinese People's Liberation Army Navy (PLAN) version of the former-Soviet Gromovoy class tug. The difference between the Chinese version and the original Soviet version is minor, mainly in the modification of living quarters. For example, space used for milk storage is converted for vegetable storage, and the Russian-style oven and stove are replaced with Chinese types. Also, an air conditioning system has been added for operation in warmer climates. Out of a total of 17 ships built between 1958 through 1962 in Shanghai and Dalian, 15 still remain active as of the early 2010s, despite their age.
The Type 837 tug with the NATO reporting name Hujiu is a type of ocean-going tug that China developed for the People's Liberation Army Navy (PLAN). Out of a total of 20 ships built in the 1980s by the Wuhu shipyard, 18 are still in PLAN service and all of them still remain active as of the early 2010s. One ship was exported to Bangladesh in 1984, and another was sold in 1995.
The type 852 tug is the Chinese version of the formerly Soviet Roslavl tug that has been developed for the People's Liberation Army Navy (PLAN). The differences between the Chinese version and the original Soviet version are minor, mainly in the modification of living quarters. For example, space used for milk storage has been converted for vegetable storage, and Russian-style ovens and stoves are replaced with Chinese types. An air conditioning system has been added for operation in warmer climates. These ships still remain active as of the early 2010s, despite their age. Ships in the type 852 series in PLAN service are labeled with a combination of two Chinese characters followed by a three-digit number. The second Chinese character is Tuo (拖), meaning tug in Chinese, because these ships are tugs. The first Chinese character denotes which fleet the ship is in service with; for example, 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. Specification:
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.
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.
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 Duhast class tug is a little known class of naval auxiliary currently in service with the People's Liberation Army Navy (PLAN), and this 3200-horsepower tug has received NATO reporting name Duhast class. Built by Wuhu Xinlian Shipbuilding Co., Ltd. (芜湖新联造船有限公司), formerly Wuhu Shipyard, since 2004, the name of this class is taken from the installed power of the vessels, with the exact type designation still remaining unknown. After the first pair was built, as of the mid-2010s, a total of twelve of this class have been confirmed as being in active service.
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 2022 Unlike 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.
Dujiang class tug is a class of little known medium harbor tug (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 Dujiang class, or 渡江 in Chinese, meaning Crossing the River. Dujiang class is a design with a single deck and two levels of superstructures, with a semi-enclosed platform atop the second level.
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.
Beituo 715 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 since the commission of the first unit in 1980, a total of seven of this class have been confirmed in active service as of mid-2010s. This class of tug is a single hull and single deck design, with deck covers.
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 Dupo class is a class of little known large harbor tugs (YTB) 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 Dupo class, or 渡泊 in Chinese, meaning Crossing & Mooring.
PRC 