According to the postcode database, the postcode of Zhengzhou City, Henan Province is 450000. Zhengzhou, formerly known as Shangdu, is now called Greentown. People's Republic of China (PRC) and Henan Province have jurisdiction over prefecture-level cities and provincial capitals, 6 districts, 5 cities, 1 county and 4 functional areas. It is a national central city, a megacity and one of the eight ancient capitals of China. Zhengzhou City is located in the north of central Henan Province, with the Yellow River in the north, Songshan Mountain in the west, the vast Huanghuai Plain in the southeast, Kaifeng City in the east, Xuchang City in the south, Ruzhou County in Pingdingshan City, Luoyang City in the west, Jiaozuo City and Xinxiang City in the north. The total area of the city is 7567 square kilometers. By 2022, the total resident population in Zhengzhou will reach12.828 million. Zhengzhou Municipal Government is located at No.233 Zhongyuan Road, Zhongyuan District, Zhengzhou City. Zhengzhou City is located in the east of Qinling Mountains, at the foot of Songshan Mountain and on the bank of the Yellow River. The terrain in the area is mainly flat and plain, belonging to a warm temperate continental climate with obvious continental monsoon climate characteristics and distinct seasons. There are 35 rivers in the territory, belonging to the Yellow River and Huaihe River. In ancient times, 8000 years ago, there were already human activities here. In the 2nd/kloc-0th century BC, the Xia Dynasty was born in Wang Chenggang, Dengfeng, Zhengzhou, which opened the curtain of the civilization era of China Dynasty. In the 6th century BC, the Shang Dynasty established its capital in Zhengzhou. 1 1 century BC, the Western Zhou Dynasty established vassal states such as LiGuo and Sacrifice Guo in Zhengzhou. From the Qin and Han Dynasties to the Northern Song Dynasty, Zhengzhou was mostly a capital city and a military transportation hub. It has been a battleground for military strategists since ancient times. There have been many important military battles here, such as the famous battle of Guandu, where fewer wins more. In Song Dynasty, Zhengzhou, as one of the four auxiliary counties, was in a very important position. Jin, Yuan, Ming and Qing all set up states here. 1948101On October 22nd, China People's Liberation Army took over Zhengzhou and established Zhengzhou City. From 65438 to 0954, the people's government of Henan Province moved from Kaifeng to Zhengzhou, and Zhengzhou became the capital of Henan Province. Zhengzhou agriculture takes the high-quality development route, develops the high-standard "vegetable basket" production demonstration base construction, and the animal husbandry production develops green and efficiently. Zhengzhou has formed a modern industrial system with complete categories and strong technical ability, and the scale of industrial economy remains the first in Henan Province. It has formed seven leading industries, including automobile and equipment manufacturing, electronic information, new materials, biomedicine, aluminum and its deep processing, modern food manufacturing, brand clothing and home manufacturing. Modern food industry is the six leading industries and traditional pillar industries in Zhengzhou. In addition, Zhengzhou focuses on the development of electronic information industry, focusing on the development of smart terminals, smart sensors, information (network) security, software and information technology services, 5G and Beidou, integrated circuits, new displays and other core areas. The industrial agglomeration degree of service industry has improved significantly. Nine service industry clusters with operating income exceeding 1000 billion yuan, two service industry clusters exceeding 50 billion yuan and two service industry clusters exceeding1000 billion yuan have been formed, and a regional modern service industry base dominated by service economy has basically been formed. Zhengzhou focuses on promoting the development of seven pillar industries such as finance, logistics and commerce. In 2023, Zhengzhou achieved a regional GDP of 136 1.78 billion yuan, a year-on-year increase of 7.4%. As an important comprehensive transportation hub in China, Zhengzhou is known as "the heart of China Railway" and "the traffic crossroads of China". There are 1 1 cross-border expressways in China. Zhengzhou East Station, the largest high-speed railway in central China, is the intersection of Beijing-Guangzhou high-speed railway, a national key railway project, and Lanzhou-Xuzhou high-speed railway under construction. Zhengzhou Xinzheng International Airport is one of the eight hub airports in China, which belongs to the 4F class international civil airport. It is an important trunk airport in China and a national first-class air port. Zhengzhou has been the crossroads of civilized exchanges since ancient times, and it is rich in cultural heritage. The number and scale of cultural relics in Zhengzhou ranks among the top cities in China, with two world cultural heritages, Dengfeng Historical Complex and Zhengzhou Section of the Grand Canal. There are 83 national key cultural relics protection units, 23 provincial cultural relics protection units 147, 23 municipal cultural relics protection units1and nearly 15 movable cultural relics. By the end of 2022, Zhengzhou had six national intangible cultural heritage lists, including Shaolin Kung Fu and Chaohua Blowing Songs. In addition, Zhengzhou is also rich in tourism resources, with 52 A-level scenic spots, including Songshan Shaolin Temple Scenic Spot, Zhengzhou Yellow River Cultural Park, Songyang Academy and other scenic spots.