How to apply for the membership card?

1. First, buy beautifully packaged goods with face values ranging from 100, 200, and 500 at the cashier's desk in the supermarket, put them in the shopping basket, and get the invoice.

2. Secondly, redeem the membership card at the supermarket service desk with the invoice, that is, at the place where the supermarket invoice is issued.

3. Finally, search for official website in the mobile phone, enter the card number on the obtained membership card into official website and click Open.