Pixian watercress, a specialty of Pixian County, Sichuan Province, has a long history and high popularity, and is one of the most famous specialties in Pixian County. Chinese geographical indication products.

Chinese cabbage bean curd, a famous dish of Han nationality in Suining, Sichuan, has a production history of nearly 50 years, and 1983 was rated as a national high-quality and famous product. It is named because it is wrapped in cabbage leaves and has the characteristics of hemp, spicy, fresh, soft and fragrant.

Chengdu is located in the middle of Sichuan, in the west of Sichuan Basin, between east longitude102 54 ′ and104 53 ′, between north latitude 30 05 ′ and 3126 ′, with the maximum horizontal distance from east to west 192km and the maximum longitudinal distance from north to south.

Chengdu borders Deyang and Ziyang in the east and Ya 'an, Meishan and Aba in the west. It is 0/852km from Donghai/KLOC-China and 0/090km from Nanhai/KLOC-.

Chengdu has a long geological history and well exposed strata. The terrain of the whole city is obviously different, with high in the northwest and low in the southeast. The western part belongs to the marginal area of Sichuan basin, mainly in deep mountains and hills, with an altitude of1000-3000m. The highest point is Shuanghe Township, Dayi County, with an altitude of 5364 meters and a relative height of about 1000 meters.