You can view all unused coupons under your account in this section. Please take advantage of all coupons before their expiration date, as expired coupons will not be extended. To redeem your coupon, simply copy down your coupon code and input the code into the “Coupon” field during checkout. Our system will automatically deduct the coupon amount from your order. Please note that coupons can only be used once, and only one coupon can be used per order. Coupons are offered to customers periodically through promotions.