Which is better, Unicom card or mobile card?

At present, China Unicom's 4G package is relatively favorable. Unicom's 4G packages include 4G national packages, 4G national packages and 4G local packages. The charges for different packages are different. Among them, the traffic package of 4G combination package is mandatory, and other voice packages and SMS packages can be selected according to their own needs, as low as 8 yuan per month. For details, please visit Unicom's tariff encyclopedia.