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History
PRC
Name	Shengli
Namesake	Victory
Builder	Hudong-Zhonghua Shipbuilding
Completed	1980s
Acquired	1980s
Commissioned	1980s
Maiden voyage	1981
In service	1981 onward
Fate	Being retired
Status	In reserve
General characteristics
Displacement	4,940 long tons (5,020 t)
Length	101 m (331 ft 4 in)
Beam	31.8 m (104 ft 4 in)
Draught	5.7 m (18 ft 8 in)
Propulsion	1 × Type 6 ESDZ 43 marine diesel engines, 2,600 hp (1,939 kW); 1 shaft;
Speed	15 knots (28 km/h; 17 mph)
Range	2,400 nmi (4,400 km; 2,800 mi) @ 14 kn
Sensors and ; processing systems	Type 756 or Fine Curve radar
Armament	1 twin 25 mm (0.98 in) and; 1 twin 37 mm (1.5 in) guns;

Type 620 tanker is a type of naval auxiliary ship currently in service with the People's Republic of China Navy (PLAN).^[1]^[2] Originally designed as a type that is capable of transport both water and oil, these ships entered service from 1981 onward for both military and civilian, but only the oiler version entered service with PLAN.^[1] Type 620 tanker has received NATO reporting name as Shengli class,^[2] meaning victory in Chinese.^[3] After transferred into reserves, these ships finally begun to retire in the early 2010s.

Type 620 tankers in PLAN service are designated by a combination of two Chinese characters followed by three-digit number. The second Chinese character is You (油), meaning oil in Chinese, because these ships are classified as oilers. The first Chinese character denotes which fleet the ship is service with, with East (Dong, 东) for East Sea Fleet, North (Bei, 北) for North Sea Fleet, and South (Nan, 南) for South Sea Fleet. However, the pennant numbers are subject to change due to the change of Chinese naval ships naming convention, or when units are transferred to different fleets. As of early 2020s, one of the two units identified remains active.^[2]