How does Unicom card open superimposed traffic?

If you are a 3G user of China Unicom and need to apply for a 3G domestic traffic package, you can apply for a 3G domestic traffic package service in the following ways: 1. Log in to the online business hall of China Unicom, and click Business Processing > Package Processing > 3G Traffic Package Processing; 2. Log in to the mobile phone business hall and click > Services > Handling > Internet Traffic > 3G Traffic Packet Handling; If you need to handle other traffic, you can consult the customer service to which this number belongs.