Brief introduction: Deyang is located in the north of western Sichuan Plain, with Chengdu in the south, Mianyang in the north, Suining in the east and Aba in the west. 1August, 983, was approved as a provincial city by the State Council. With an area of 5,954 square kilometers and a population of 3.76 million, it governs 6 counties (cities, districts) including Jingyang District, Guanghan City, Mianzhu City, shifang city, Zhongjiang County and Luojiang County. It is a new industrial city rising in Chengdu Plain after the reform and opening up. "into the badlands is wealth", which is an appropriate summary of Deyang by Du Fu, a great poet in the Tang Dynasty, in his poem Reuters. Deyang belongs to Dujiangyan irrigation area, with mild climate, fertile land and abundant rainfall. It is an important production base of grain, oil, cotton, pig, silkworm and tobacco in Sichuan Province, and is known as the "Tianfu Granary". There are abundant underground mineral resources, and there are more than 30 kinds of proven mineral resources, especially phosphate rock, coal mine, lime mine, strontium phosphate rock and shallow natural gas, among which phosphate rock is one of the five largest phosphate rocks in China. There are many kinds of animals and plants, such as Davidia involucrata, Metasequoia glyptostroboides, Cephalotaxus fortunei, and Pentagonal Maple. There are also giant pandas, Sichuan golden monkeys, pronghorn and clouded leopards.