What grade does poly city, the new capital of Chengdu, belong to?

High end. According to the official information of Chengdu Xindu poly city, it belongs to the middle and high grade. Chengdu, referred to as "Rong" for short, is also called Rongcheng and Jincheng. Located in the middle of Sichuan Province, Chengdu is the capital and sub-provincial city of Sichuan Province, one of the first national historical and cultural cities in China, and an important central city in Southwest China.