Jiansanjiang (Chinese: 建三江; pinyin: Jiànsānjiāng; lit.

'built on the Sanjiang Plain') is an administrative area of 230,000 in eastern Heilongjiang province, China.

[2] The city is discussed in detail in academic papers on Agriculture in China: notably China Agricultural University has an experimental station looking at rice varieties in the city.

[3] Jiansanjiang is known as China's green rice city,[4] and its Honghe farm (Chinese: 洪河农场; lit.

Jiansanjiang also connects to Harbin (via Jiamusi) and Fuyuan by rail.