Every month. Official website, Agricultural Bank of China, shows that the activity rules of China Agricultural Bank's co-branded credit card (Hungry Bao Xiao) show that if you hold this card, you can spend any sum (any amount) every month through Alipay, that is, you have the opportunity to redeem 50 yuan takeaway coupons. During the activity, each customer will grab at most 12 coupons, totaling 1000 coupons, which are available on a first-come-first-served basis while stocks last. Therefore, the joint card of the Agricultural Bank of China that is hungry will issue exchange vouchers every month.