Paper invoice:
1. Unified invoice award number query function, the phone will not sleep when entering the invoice match, and there is no need to swipe to match. Typesetting is also for the most convenient way to use! !

Electronic invoice:
1. When checking out, show your mobile phone barcode for the store to scan and request a cloud invoice. No more paper invoices!
2. Provide electronic invoice inquiry using mobile phone barcode (vehicle)!

An APP can handle electronic and paper invoices at once. It is a little more troublesome to apply for a mobile phone barcode. It is great to set up a bank account and the winnings will be directly deposited into the account~