Why do you need to apply for a labor manual after buying social security?

Labor manual is to store your social security contribution record stubs of the manual, the company has to go every year to get the employee's contribution stubs in your labor manual, so that in the future when you retire or transfer out and so on their own contributions to check the number of years.

Generally, the unit is to help you make, without any cost, as long as you are insured, it is very simple to handle, let the unit simply fill out a go to the social security cover a steel seal can be. There is no this handbook can find out your participation record, but this handbook does not have the words or handle a good, very simple and convenient