What documents do employees have after the company pays social security?

After the company handles the social security relationship, the general endowment insurance will not give you a certificate. Only medical insurance will issue you a medical insurance card for your daily medical treatment. So just know whether the company has given you a medical insurance card or not. Secondly, it depends on whether your salary slip deducts the personal contribution of social security relationship. If so, it is to apply for social security for you, because the social security relationship is handled together with pension insurance and medical insurance. Now the social security number is your ID number.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.