The 204th evolved from the former 4th Tank/Armored Division of the 16th GA, Shenyang Military Region.
The 4th Tank Division was founded in 1969
amid the Sino-Soviet Border Conflict. The division was stuck with the
vintage T-34/85 tanks until 1980. During 1980-1982 ZTZ-59/59A's finally
replaced T-34/85's. In around 2015 the 4th Armored Brigade received
ZTZ99's, and in 2019 ZTZ99A's arrived