According to the inquiry of Tongling Culture and Tourism Bureau, Tongling is a city along the Yangtze River with rich resources and solid foundation. There are abundant products here, and there are more than 30 kinds of rare metal minerals that have been proved, among which the reserves of copper, gold, silver and limestone rank first in the province, and the reserves of pyrite rank first in East China and second in the country. There are all kinds of agricultural products. White ginger and peony bark are protected products of national geographical indications. Zongyang Media Duck and Zongyang Black Pig have obtained national geographical indication certification trademarks. High-quality freshwater fish, hairy crabs and grain, cotton and oil are rich, and they are known as "land of eight treasures" and "land of plenty". This is "China ancient copper capital, contemporary copper base". The first copper industrial base in new China was built in Tongling. The first copper bath, the first copper ingot came from Tongling, the first copper stock came from Tongling, and the first 100 billion yuan enterprise in Anhui Province came from Tongling. Since the city was founded 60 years ago, it has always adhered to the strategy of strengthening the city through industry, and gradually formed an industrial development pattern dominated by copper and chemical industry, with electronic information, equipment manufacturing, energy conservation and environmental protection going hand in hand. It is one of the eight non-ferrous metal industrial bases in China, an important sulfur and phosphorus chemical base in China, a national electronic material industrial base and an important building material production base in the Yangtze River basin. Over 100 billion enterprises 1 household, 2 billion enterprises and 6 listed companies, with an industrialization rate of 60.3%. Tongling Nonferrous Metals Company is the first electrolytic copper producer in China and the second in the world, and Jingda Company is the first special electromagnetic wire producer in China and the third in the world.