Suihua is located in the northern part of theSongnen Plain (Songhuajiang-Nenjiang Plain), and situated in the central part of Heilongjiang Province. Bordering prefectures are:
Daqing (W)
Harbin (S)
Heihe (N)
Qiqihar (NW)
Yichun (E)
The city is located at latitude 45° 03′–48° 02′ N and longitude 124° 13′–128° 30' E. The total area of the city is 35,211 square kilometres (13,595 sq mi).
The railway station of Suihua is located at the crossing of Taiping Road (太平路) and Beilin Road (北林路) in the eastern region of the city proper. TheHarbin-Jiamusi Railway and theHarbin-Heihe Railway connect the city with Harbin, Jiamusi and several other cities in Heilongjiang Province. There are also buses to Daqing, Qiqihar and other cities in Heilongjiang.
Suihua has a humid continental climate (KöppenDwa), with long, bitterly cold, but dry winters, and humid, very warm summers. The monthly 24-hour average temperature ranges from −20.2 °C (−4.4 °F) in January to 22.5 °C (72.5 °F) in July, while the annual mean is 3.3 °C (37.9 °F). A majority of the annual precipitation occurs in July and August alone.
Climate data for Suihua (Beilin District), elevation 180 m (590 ft), (1991–2020 normals, extremes 1971–2010)
Stone Ornaments. Neolithic Age. Unearthed at Lianhuachi Site, Qing'an.
Suihua's history can be stretched back to over 10,000 years ago.Paleolithic Age stone tools were unearthed at Hailun and Zhaodong. Neolithic sites belong to theAng'angxi Culture type were also discovered at Anda. Sushen, the ancestors of theManchu, inhabited in this region During theXia dynasty andShang dynasty. During theYuan dynasty, agriculture developed rapidly in Suihua.
From 1653, Suihua area was under the rule of Ningguta General. In 1683, the position of Heilongjiang General was established, Suihua was under the rule of Heilongjiang General. On November 20, 1885, the Directly Ruled Ting of Suihua (綏化直隸廳) was established at Beilin Tuanzi, a barren at that time. In 1905 it was redesigned as Suihua Fu (綏化府).[5]
In 1912, an army regiment was established in Suihua. The outbreak of plague caused 1683 deaths that year. In February 1913, 3000 brigands attacked the county seat, and was flattened by the garrison corps. In August 1917, in Suihua established the first telephone company. In July 1919, the 2nd High School of Heilongjiang Province was created. In February 1929, the county government was formally established.
In April 1932, the Japanese entered the city, resistance army led by Ma Zhanshan withdrew. The Manchukuo county government was created on July 12, 1933. In December 1934, Suihua county was put under the administration of Binjiang Province. In 1939, the county was incorporated into Bei'an Province, and the county hospital was built. On July 28, 1941,Counter-Japanese United Army organized the National Salvation Society at Shuanghe, Wuying villages. The Manchu government ordered the peasants to supply military grain, and often faced heavy resistance. In 1943 the Suihua-Jiamusi railway was opened to traffic. The Soviets took the city on August 27, 1945, and Chen Lei was made the first County CPC secretary in November.
The land reform movement began in 1947. Many Suihua people joined the Chinese civil war, especially theSiping Campaign. On May 13, 1949, Suihua County Government was renamed Suihua People's Government.[6]
As an agricultural production hub inHeilongjiang province,[7] Suihua's GDP has reached RMB 73.34 billion in 2010, an increase of 14.8 percent over the previous year.[8] To the city's GDP, the main contributors are the agricultural sector and service sector. Petrochemicals, textiles and machinery are some other pillar industries in Suihua. In 2015, Suihua had a GDP ofRMB 127.22 billion.[9]
According to theSeventh National Census in 2020, the city's Permanent Population (Hukou) was 3,756,167. Compared with 5,418,153 in theSixth National Census, the number decreased by 1,661,986, a drop of 30.67%, with an average annual growth rate of -3.60%.[10]
There were 1,891,784 males, accounting for 50.36%. There were 1,864,383 females, accounting for 49.64%. The sex ratio (with females as 100, the proportion of males to females) decreased from 102.43 in theSixth National Census to 101.47.[10]