Rules:

1. The coupons can't yield points and can only be used to buy items on www.sign-in-china.com.Coupon is valid only when you received it in your account.
2. Each coupon will be used only one time with a single account.
3. Any unpaid purchase order being cancelled, the coupon code will be recovered into available status.
4. Coupon codes can only reduce the product price, no freight discount.
5. For the actual amount of a coupon in different currency after acquiring for use: it will be converted by the available coupon value of US Dollars into the target currency for the final value.

Modification and termination:

Sign-in-China.com reserves the right to explain the terms & conditions of this activity, and also has right to cancel, increase or decrease the rules as well as the right of modification (including but not limited to qualification of participation, calculation of points, criterion of exchange, etc).