2, by hanging the certificate, you can increase the number of people in others and add one team member, which is helpful for his assessment.
3. Others can also use your job number to place an order, and the salary will be credited to your passbook. He will take the passbook and password to withdraw money, which also helps his team performance. The company will think that you are a real human resource, but the signature of the salesman on the list is signed by someone else on your behalf.
Generally speaking, there is no problem. You can also register others if you are familiar with it. For you, the only benefit is to help others and enjoy the accident medical insurance provided by the company to some extent. The size of this guarantee depends on the regulations of each company.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.