Scan the QR code of the official WeChat account of Huai 'an nucleic acid detection through WeChat, enter the personal ID number and corresponding personal information, save it after verification, and open the personal nucleic acid detection code to collect nucleic acid.
Huaian
Huaian is located in the north-central part of Jiangsu Province, east of Jianghuai Plain. Located in the Yangtze River Delta, it is an important central city in northern Jiangsu, a close-knit city in Nanjing metropolitan area and the first city in the Huaihe River eco-economic belt. It is located at the intersection of the ancient Huaihe River and the Beijing-Hangzhou Grand Canal, on the Huaihe River in Qinling Mountains, the north-south boundary of China, and has Hongze Lake, the fourth largest freshwater lake in China.
It is a national civilized city, a national historical and cultural city, a national health city, a national garden city, a national environmental protection model city, a national low-carbon pilot city and an excellent tourist city in China. It is one of the main cradles of Huaiyang cuisine and one of the cradles of ancient culture in Jianghuai Valley. Area 10030 km2.
Huaian has a history of more than 2200 years. The Qin Dynasty is located in this county, and there is a famous "Qingliangang Culture" site in the territory. It used to be the hub of grain transportation and salt transportation, with the governor's office of grain transportation and the governor's office of Jiangnan River.
Historically, Huai 'an, Suzhou, Hangzhou and Yangzhou were also called the "four big cities" along the canal. Huai 'an was once "prosperous because of traffic" and had the reputation of "China Canal Capital". Huai 'an section of the Grand Canal in China was selected as a World Heritage List. Huai 'an is the north-south traffic artery and the regional transportation hub in the northern Yangtze River Delta.