Private enterprises buy social security standards for employees.

The standard minimum payment base for the unit to purchase social security for employees is 60% of the local social security salary, which is the minimum standard. 2. Proportion of contributions paid by employers and employees: (1) Endowment insurance, about 20% for employers and 8% for individuals.

The criteria for employees to purchase social security are as follows: 1. The minimum payment base for employees to purchase social security is 60% of local social wages, which is the minimum standard. 2. Payment ratio of employers and employees: (1) endowment insurance, about 20% for units and 8% for individuals; (2) Medical insurance, about 8% for units and 2% for individuals; (3) Unemployment insurance, the unit is about 2%, and the individual1%; (4) Industrial injury insurance, unit 1% or so. (5) Maternity insurance, unit 0. About 8%, individuals don't pay. There is no unified national payment ratio, and the specific ratio varies slightly from place to place. The highest individual contribution ratio is 1 1%. Three, the employee social security payment base is calculated according to my average monthly salary in the previous year, and the dissatisfaction 12 months is calculated according to the actual monthly average of the previous year, and the new employment is calculated according to the labor contract. The payment base shall not be lower than 60% of the province's average annual salary and shall not be higher than 300% of the province's average annual salary.

The materials required for social security payment are as follows:

1, personal social security, personal social security can only participate in old-age insurance and medical insurance, and you need to bring your valid ID card, unemployment certificate and two 1 inch photos to the local social security center;

2. The enterprise pays social security for its employees, and provides the original and photocopy of the enterprise business license, the original and photocopy of the organization code certificate, the photocopy of the ID card of the insured employee, the payroll of the insured employee and the official seal.

I hope the above content can help you. Please consult a professional lawyer if you have any other questions.

Legal basis: Article 33 of the Social Insurance Law of People's Republic of China (PRC), employees shall participate in work-related injury insurance, and the employer shall pay the work-related injury insurance premium, while employees shall not pay the work-related injury insurance premium. "Social Insurance Law of People's Republic of China (PRC)" Article 34 The state determines the differential rates of different industries according to the industrial injury risks of different industries, and determines the rate grades of different industries according to the use of industrial injury insurance funds and the incidence of industrial injuries. Industry differential rates and intra-industry rates shall be formulated by the administrative department of social insurance of the State Council, and promulgated and implemented after being approved by the State Council. Social insurance agencies shall determine the employer's payment rate according to the employer's use of work-related injury insurance funds, the incidence of work-related injuries and the level of industry rates.