A land rich in resources. 36 kinds of mineral resources with industrial development value have been proved in the whole region, with natural gas reserves of more than 200 billion cubic meters and rock salt reserves of 286 billion tons. Coal, iron, dolomite, limestone and other important mineral reserves and hydropower resources are very rich. Tung oil tree, goat skin, citrus, silkworm cocoon, tea, Chinese herbal medicines and live pigs occupy an important position in the country.
A prosperous business district with a long history. Wanzhou ancient city was built in AD 25, and it was a Bashu commercial port in the Southern and Northern Dynasties. 1902 was transformed into a foreign trade port, and 19 1 1 was formally established in. Calendar is a material distribution center in eastern Sichuan, western Hubei, southern Shaanxi, eastern Guizhou and western Hunan.