False, value-added services have nothing to do with charging phone bills. All communication operators have their own billing systems, which is the core of their profits. No matter how stupid he is, he won't outsource this to other companies, will he? And this stupid company also vaguely said on the website. It took me a long time to understand that it said it was a prepaid card. Shit.
You can entrust a law firm to check the authenticity of the company. If you have friends from the Administration for Industry and Commerce, you can also check directly on the Intranet of the Administration for Industry and Commerce.