How to use the Linhai Yaoda shopping card?

When the card issuing unit uses it, it doesn't need a password, just swipe it directly to the cashier, and the balance can be seen on the printed receipt. Generally, shopping cards have an expiration date. As long as they are used up before the expiration date, there is no password when using them. Don't lose it.

Generally speaking, you can show your shopping card when you check out. If it involves activities, you can only use it yourself. Generally, if you don't register or report, you can also give it away.