Which community in Mianyang City is the most cost-effective to buy social security?

Mianyang social insurance affairs center. Mianyang is a prefecture-level city under the jurisdiction of Sichuan Province, China Science and Technology City, located in the northwest of Sichuan Basin, in the middle and upper reaches of Fujiang River, bordering Guangyuan City in the east, Suining City in the south, Deyang City in the west, and Aba Tibetan and Qiang Autonomous Prefecture and Longnan City in Gansu Province in the northwest. Mianyang Social Insurance Affairs Center is the most cost-effective community to buy insurance.