What materials does Xichong County social security need to sign every year?

Personal identity card and social security card. Social security in Xichong County is a system that provides necessary material assistance to workers who participate in labor relations when they lose their ability to work or are unemployed. The annual signature is to ensure the interests of the payer, and you need to bring your personal ID card and social security card to prove your identity. Xichong County belongs to Nanchong City, Sichuan Province, and is located in the northeast of Sichuan Basin.