The Type 903 combined replenishment ship (, NATO reporting name: Fuchi) is a class of replenishment oiler (AOR) built for the People's Liberation Army Navy, serving as a principal fleet auxiliary ship for blue-water expeditionary missions by the People's Republic of China. They resemble , an AOR built by China for Thailand delivered in 1996.
Two original-design Type 903s entered service in 2003. Construction of the Type 903A (NATO reporting name: Fuchi II), a slightly modified design, began in 2010; the first Type 903As entered service in 2013, and a total of eight ships are currently in service.
According to Zhang Gang, chief designer of Similan, China started development of a new AOR in 1988. Development was delayed due to cost, leading China to buy a , renamed , from Ukraine in 1992. The new design was completed for Similan, which became the basis for the Type 903.
The Type 903 is a flush-decked development of the Type 905 AOR resembling the French .
There are two liquid and one sliding-stay solid transfer stations per side. Refuelling may also be conducted from the stern.