Order to develop rescue and salvage ship was issued on October 27, 1960 and on July 16, 1962, the design was approved.
The ship was formally handed to PLAN in December 1966 as Hai-Jiu (海救, meaning Sea Rescue) 403.
After three decades of service, Type 922II was transferred to Chinese Fishery Administration on November 27, 2006 and remains active to this day.
Type 922III is armed with twin 37 mm guns and received NATO reporting name Dalang II class.
Type 922IIIA ships in PLAN service are designated by a combination of two Chinese characters followed by three-digit number.