Sandayan town is located in chengdu city, sichuan province, north of PIdu district, northwest of chengdu city, 22 kilometers from the main city of chengdu city, PIdu city 6 kilometers, east and north and Xindu district XinFan street, west and and the street, tangchang town, south and the red street, unity street, PI tube street border. Three Road Weir Town is located in Chengdu City, the mother river Fuhe upstream, Minjiang River, two tributaries - Xuyan River, the Park River parallel across the town and over, because the bamboo basket cut off the water to make three very close to each other to guide the head of the weir water irrigation fields and so named, is an ancient town with a history of more than 1,000 years of Western Sichuan, historically famous land and water wharf and trade places. Sandayan Township has been awarded the title of "National Rural Revitalization Demonstration Base", "National Characteristic Town", "National Livable Town", "National Health Township" and so on. The town has won the titles of "National Rural Revitalization Demonstration Base", "National Characteristic Town", "National Livable Town", "National Sanitary Township", etc. It has 2 national 4A scenic spots, 1 3A scenic spot, and 1 provincial tourism resort. National secondary highway PI Peng Road, Chengdu Peng Express Railway running through the north and south, Shuyuan Avenue (Shaxi line), Chengdu second bypass high-speed across the town.