 Type 917 series in PLAN service are designated by a combination of two Chinese characters followed by three-digit number.The second Chinese character is Yun (运), meaning transport in Chinese, because these ships are classified as transport.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.