MJJ wants to switch plans, send a group of mysterious code from China Unicom, you can go to杠 yourself.

admin

91312712
Three for one, no limit on packages, but new registrations now only have one year, and after that it's not possible to renew, and not all numbers can be applied for, only invited users and those in the number pool can apply

91312701
Permanent six for one, as long as you have a package of 49 or more, you can apply. The contract period is twelve months, auto-renewal after expiration.