What are the rules for numbering Chinese submarines?

The specific naming regulations are:

Cruisers are named after administrative provinces (districts) or phrases;

Destroyers and frigates are named after large and medium-sized cities;

Nuclear submarines are named after the serial number "Long March";

Conventional missile submarines are named after the serial number "Expedition";

Conventional torpedo submarines are named after the serial number "Great Wall" Naming;

The minesweeper is named after "state"; the submarine hunting ship is named after "county";

The dock landing ship and tank landing ship are both named after "mountain";

The infantry landing ship is named after "river";

The auxiliary ships are named after the name of the sea area and nature plus a serial number.

Large combat ships such as nuclear submarines and cruisers are named by the General Staff; destroyers, frigates, conventional submarines, etc. are named by the navy. When a newly built or newly received ship is listed or renamed, the leading authority that approves the naming will officially grant the ship a name and a "ship naming certificate" and issue a "ship naming certificate". The ship will hold a naming ceremony in accordance with the provisions of the "ship regulations"; the ship naming enjoys a "lifetime system" ”, the name is generally not changed midway. When a ship is decommissioned, its name and ship number will be canceled by the awarding authority and will no longer be awarded to subsequent ships.

In order to avoid the phenomenon of duplicate or overlapping names for ships, the awarding of People's Navy ship names must be strictly divided according to regions. That is: the jurisdiction of the North Sea Fleet is based on 14 provinces and cities in North China, Northeast China, and Northwest China (Liaoning, Jilin, Heilongjiang, Inner Mongolia, Qinghai, Gansu, Ningxia, Shaanxi, Shanxi, Beijing, Tianjin, Hebei, Shandong, and Henan); East China Sea Fleet The jurisdiction area uses the place names of the 7 provinces and cities in East China and the Xinjiang Autonomous Region (Shanghai, Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi, Hubei, and Xinjiang); the jurisdiction of the South China Sea Fleet uses the place names of the 9 provinces and cities in South China and Southwest China (Hunan, Guangdong, Guangxi, Hainan, Sichuan , Chongqing, Guizhou, Yunnan, Tibet).

There are exceptions to everything. In the phalanx of ships of the People's Navy, there are two special warships named after people, one is called the "Zheng He" ship and the other is called the "Shichang" ship. They both belong to the Dalian Naval Academy.