1. Get 1 stamp for every purchase.
2. Collect 8 stamps to get a reward.
3. Card expiration is unlimited.
4. Stamps are valid for 2 months.
5. Rewards are valid for 2 months.
6. Stamps and rewards cannot be exchanged, returned, replaced, or bought for cash.
7. Cards cannot be transferred or combined with other cards.
8. The company has the right to refuse to provide services.