South Sea Fleet
Qiongsha class in PLAN service are designated by a combination of two Chinese characters followed by three-digit number. With the exception of the ambulance transport, the second Chinese character for all others is Yun (运), meaning transport in Chinese, because these ships are classified as cargo ship to transport solid cargo and freshwater.. The first Chinese character denotes which fleet the ship is service with, with South (Nan, 南) for South Sea Fleet, because all units are in service with South Sea Fleet. However, the pennant numbers may have changed due to the change of Chinese naval ships naming convention. Specification: