What kind of mobile phone card is more cost-effective now?

Now both China Mobile and China Unicom have various preferential activities. Generally speaking, the more you play, the cheaper it is. As a user, "what mobile phone card is more cost-effective" should be chosen according to everyone's usage. Users who usually send more text messages can choose the "M-Zone" of China Mobile; If all the friends who usually talk on the phone use mobile phones, you can choose the "Volkswagen Card" of China Mobile, and it is free to answer all mobile phones. Call the mobile phone at 0. 13 yuan per minute; If there are many incoming calls, especially fixed lines, you can choose Unicom's Ruyi 133, and answering all incoming calls (including fixed lines) is free ... There are many specific packages and offers, so I won't mention them one by one. If you need to know, you can contact us by email.