Changyi () is a county-level city of Weifang, Shandong province, People's Republic of China. The city is 1627.5 square kilometers in area, with a household population of 581,000 as of 2010. The city is under the administration of the Changyi Municipal People's Government, with three neighborhoods, six towns, 691 administrative villages, and one special economic development zone. Changyi has a long history that extends back into the Spring and Autumn period.
Etymology and name
Changyi, from the Chinese characters for prosperous and for city, means literally the "Prosperous City". The site of ancient Ziyi () is located in Changyi. Changyi was called Duchang (), as it was named Duchang County by the Qin dynasty (221–206 BC). The area was renamed “Changyi” during the Northern Song dynasty in 962 AD, and has retained its name since then.
History
Early history
Changyi is over 2200 years old. In the Spring and Autumn and Warring States periods, the city served as the manor of Yanzi () and Sun Bin ().
People's Republic
In 1988, Changyi was designated a “coastal open city” by the Central Government of China, and in 1994 it was established as a county-level city to replace the old Changyi County.
Geography
Changyi is located in the northwest corner of the Shandong Peninsula and in the southern Bohai Laizhou Bay area, with geographical coordinates of latitude 36 ° 25'-37 ° 08 ', longitude 119 ° 13'-119 ° 37'. Situated on southern Laizhou Bay area of the Bohai Sea, it neighbors Yantai, Laizhou, Qingdao, and Pingdu to its east, and Weifang City to its west. It belongs to the Qingdao One-hour Economic Zone” and “Weifang Half-hour Economic Zone.” It has Shandong's largest reservoir, the Xiashan Reservoir (). The city has a total area of .
Climate
Administrative divisions
As 2012, this city is divided to 3 subdistricts and 6 towns. Subdistricts Kuiju Subdistrict () Duchang Subdistrict () Weizi Subdistrict ()
Towns
Economy
The economy of Changyi is more industrially based, and has formed a competitive market marked by new products, new technologies, and new projects, such as the petrochemical industry, salt and salt chemical industry, machinery manufacturing, textiles, food processing, aquaculture, and green seedlings among others. Changyi's Petrochemical industry has an annual processing capacity of 10 million tons, and a sales income of 13.7 billion yuan. Changyi's salt and salt chemical industry produces crude salt with an annual production capacity of four million tons, accounting for one sixth of the China's sea salt production. The bromine production capacity of Changyi by the Shandong JinDian Chemical Company is 40,000 tons a year, accounting for a quarter of China's production of bromine. Machinery manufacturing includes textile machinery, plastic machinery, broaching machines, auto parts. The auto parts manufacturing, particularly by Consolidated Metco's Shandong branch, is the largest production base in China for large automotive wheels, brake drums, brake discs production. The existing textile enterprises, such as that of the Huachen group, have more than 2,500 factories with an annual spinning capacity of 1.8 million meters, weaving capacity of 3.5 billion meters, and with dyeing, printing capacity of 2.1 billion meters, and is ranked within the top 50 of the Chinese textile brands. Food processing industry has over 160 processing enterprises, whose products are sold in over 30 countries and regions in the world. Tyson Foods also has a branch in Changyi which processes chicken for Tyson's Asia market. The Tyson plant processes up to 80,000 chickens per day. The aquaculture industry currently has factory farming area of 230,000 square meters, producing over 140,000 tons of aquatic products, with the total output value of 820 million RMB. Industry of seedlings has seedlings of 1647.369 acres, seedling stock of 200 million annual turnover of 500 million RMB. Changyi has been assessed as the National seedlings market by the State Forestry Administration of the People's Republic of China, the National Advanced Unit of Tree Seed and Seedling" and has successfully organized nine National North China Green Seedlings Expos and six Chinese Garden Flowers and Information Exchanges.