China called you safely to ask your birthday and name, and then it was all right. Why?

In this case, you are usually guaranteed for free. Because it is an electronic insurance policy, you need to provide a name and birthday that match the valid certificate, so it will be involved. After the free insurance is given successfully, you will receive a text message within three working days, and the policy will take effect. It's really completely free, and it's also an effective publicity and marketing tool for the company.