Danyang is a county-level city in Zhenjiang, Jiangsu Province. Danyang, formerly known as Qu 'a, with a total area of 1.047 square kilometers, is a new central node city on the Shanghai-Nanjing line. Danyang is a city of culture with a long history and rich humanities. Danyang has a history of more than 2400 years and is the birthplace of Wu culture. It has many places of interest, such as Yuruquan in the Western Jin Dynasty, stone carvings in the Southern Dynasties, Jiashan Temple in the Northern Song Dynasty and Wanshan Pagoda in the Ming Dynasty. Danyang, located in the south of Jiangsu Province, belongs to Taihu Lake Basin and has a history of civilization for thousands of years. Danyang is a city with developed industry and distinctive characteristics. After years of development, Danyang has formed traditional advantageous industries such as glasses, hardware tools, automobiles and parts, and wood industry. It ranks among the top counties and cities (regions) in the Yangtze River Delta 10, and enjoys the reputation of "the capital of glasses", "the kingdom of drill bits", "the city of auto parts", "the world of lamps" and "the aircraft carrier of wood industry" in China.