Nanchong and Mianyang, which has strong comprehensive strength?

Nanchong City is located in the northeast of Sichuan Province, in the middle reaches of Jialing River, and it is named because it is located in the south of the country. It governs 3 districts and 5 counties, and manages 1 county-level cities. Nanchong has a long history and originated in Han An. It was founded by Emperor Gaozu in 202 BC and has been built for more than 2,200 years. The central city in the north of Chengdu-Chongqing Economic Zone, which is planned by the state, is one of the dual cores of the northeast urban agglomeration in Sichuan Province. Nanchong's GDP is151600 million yuan, and the fixed assets investment of the whole society is138.9 billion yuan. Nanchong is the birthplace of Three Kingdoms culture and Spring Festival culture, with simple and elegant folk customs. Three Kingdoms culture, silk culture, red culture and Jialing River culture complement each other. Mianyang belongs to Sichuan Province, located in the northwest of Sichuan Basin, in the middle and upper reaches of Fujiang River. Mianyang has a history of more than 2200 years since it was established in the Western Han Dynasty in the second year of Emperor Gaozu. Mianyang City governs 3 districts and 5 counties 1 county-level city, with a total resident population of 4810.09 million. The regional GDP reached183.042 billion yuan, and the per capita GDP was 38,202 yuan. Mianyang is an important national defense scientific research and electronic industry production base, the northern central city of Chengdu Plain urban agglomeration, and one of the seven regional centers of Chengdu-Chongqing economic circle.