In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

Once you find available coupon codes and are approved by the Demdaco official store, you can submit them to us at Coupon Submission. We are not responsible for the reliability of coupons provided by customers.

Yes. Coupons for each Discount Event of Demdaco will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

All deals from Promotion Programs of Demdaco are collected here. For each certain occasion, its coupons will be on the top of the coupon list, and surely they always come with an expiry date.

At the time of updating, Demdaco has not applied Student Discount all year round yet. Check the official store and reach out to the customer support team to be clear.