Service Hotline：+86-755-29177788
Service Hotline：+86-755-29177788
When you first came into contact with a CPU card, the definitions of various files and applications were easily blurred. It is usually impossible to accurately define what is a file? What is an application? Is the difference between DF and EF really like the directories and documents in the computer?
In recent years, some central banks have been promoting the widespread use of financial IC cards. The "Teaching Opinions" issued by the central bank, with particular emphasis on the creation of a financial card (IC) card "one card" demonstration zone in the Free Trade Zone.
