There are 5 types:
1.Experiencecoupon: members can use it to experience the specific product/service shown on it for free.
2.Redeem coupon: After meeting some requirements,members can use it to purchase the specific product/service shown on it.
3.PRed Redeem coupon: members can use it to get the specific product/service shown on it by redeeming PReds.
4.Instant cash coupon:Member can use it to redeem the stated amount of payment, with no minimum consumption limit.
5.Cash rebate coupon: Members can use the discount coupon to redeem the stated amount of payment, with minimum consumption limit.