Human habitation of Yibin dates back at least 4,000 years. At that time, this place was one of the important birthplaces of ancientBashu culture. Yibin was established as a county in theHan dynasty (206 BC − AD 220). Under theMing andQing, the town and its hinterland was known asXuzhouCommandery (叙州府;敘州府;Xùzhōufǔ), which was variously romanized asSuifu,[4]Suifoo,[citation needed]Xufu, andSuchow.[5] In 1907, its population was estimated to be 50,000.[6]
The Yangtze at the confluence of the Min andJinsha Rivers. Below Yibin, the Yangtze is known in Chinese asChang Jiang or the "Long River". Above Yibin, the Yangtze is known as the Jinsha or Gold Sands River.Map including Yibin (labeled as I-PIN (SUIFU)宜賓(敘州)) (AMS, 1954)
Yibin is located in the southeast portion of Sichuan at the southern end of theSichuan Basin, borderingZhaotong (Yunnan) to the south,Luzhou to the east,Liangshan Yi Autonomous Prefecture andLeshan to the west, andZigong to the north, and has a total area is 13,283 square kilometres (5,129 sq mi). The city ranges in latitude from 27° 50'−29° 16' N, and in longitude from 103° 36'−105° 20' E, stretching 153 km (95 mi) east-west and 150 km (93 mi) north-south.
The city is located at the confluence of the Min and Yangtze Rivers. Above Yibin, the Yangtze is also known as theJinsha River. Below Yibin, the Yangtze is known in Chinese as theChang Jiang or "Long River."
As with the rest of the Sichuan Basin, Yibin has amonsoon-influencedhumid subtropical climate (KöppenCwa) with high humidity year-round; winters are short and mild while summers are long, hot, and humid. The monthly 24-hour average temperature ranges from 7.9 °C (46.2 °F) in January to 26.9 °C (80.4 °F) in July and August; the annual mean is 18.03 °C (64.5 °F). Despite its location in the Yangtze River valley, it is still 1.5 to 2.0 °C (2.7 to 3.6 °F) cooler thanChongqing, located further downstream, in its warmest months. Frost is uncommon and the frost-free period lasts 347 days.[7] Rainfall is common year-round but is the greatest in July and August, with very little of it in the cooler months. With monthly percent possible sunshine ranging from 10% in December and January to 42% in August, the city receives only 1,018 hours of bright sunshine annually; Yibin has one of the lowest annual sunshine totals nationally, lower than even nearby Chengdu and Chongqing. Spring (March–April) tends to be sunnier and warmer in the day than autumn (October–November). Extremes in Yibin since 1951 have ranged from −3.0 °C (26.6 °F) on January 3, 1962 to 42.2 °C (108.0 °F) on August 25, 2022.
Climate data for Yibin, elevation 341 m (1,119 ft), (1991–2020 normals, extremes 1951–present)
The city's industry focuses on electronics, food products, and power generation. It also produces paper, silk, and leather products. The surrounding region is rich in agricultural resources, growing rice, barley, oil seeds, sesame, and tea.
The largest employer in Yibin isWuliangye Yibin, a company best known for Wuliangye, a brand ofsorghum-baseddistilled spirits known asbaijiu. The Wuliangye Group grew from a small company employing just 300 people in 1977 into a large company employing over 20,000 on a seven-square-kilometer plant. According to an August 2005 article in a securities weekly, the Wuliangye Group is 72% state-owned and provides 70% of the revenues of Yibin City, a major regional center at the head of the Yangtze in southeastern Sichuan. In 2004 6,225 retired military worked for the company, out of a total work force of over 20,000. A third of top management positions are held by retired members of the military.[13] Unsuccessful efforts to diversify its business, poor transparency and a murky ownership pictures are among the company's problems today.[14]
There are several notable education institutes, includingYibin University, also known as Yiyuan, which offers a range of academic programs in a picturesque setting inCuiping, Yibin. The university is known for providing a secure academic environment. Yibin Vocational and Technical College, held by the Yibin Municipal People's Government, is another prominent institute offering vocational and technical programs to equip students with practical skills.
Yibin has also built a university town
1. Sichuan University of Science and Technology, Yibin Campus
The region's natural waterways provide transportation links with the surrounding area, and Yibin is also connected toChongqing andChengdu by rail and express highway. Yibin's proximity to the Yunnan and Guizhou borders also means that transportation to the provinces is available by rail and by bus.
There are several hot springs near Yibin, plus many other tourist attractions. Such attractions include the Bamboo Sea in Changning County[19] and the Xingwen Stone Forest.[20] Yibin is also the confluence of theMin andJinsha Rivers, which together form theChang Jiang as theYangtze River is known in Chinese, from Yibin to Shanghai. Cuiping Mountain Park[21] (翠屏山公园;Cuìpíng Shān Gōngyuán), located west of the confluence of those two rivers, provides views of downtown Yibin.Yibin Junlian also has a new attraction located in Xunsi Town, Junlian County, called the Southern Silk Road Never Sleeps City.(南丝绸之路不夜城)[22]