Why do you want to provide Foshan social security card and handle mobile phone card business?

You don't need to provide a social security card to handle mobile phone business. The social security card is the social security card of People's Republic of China (PRC). The Social Security Card of the People's Republic of China is an integrated circuit (ic) card issued by local human resources and social security departments for various business fields of human resources and social security. Just get a mobile phone card and an ID card.