Before shipping Order Cancellation: If you cancel orders that haven't entered the shipping process yet, 3% of the cost will be charged as a processing fee. Change of Address: No charge fee. *Note: Contact customer service(marketing@lutec.com)to change the address within 12 hours after placing the order, and changes are not allowed after the time is exceeded After shipping Order Cancellation: If your order is shipped and cannot be modified, you may reject the package and 3% of the cost will be charged as a cancellation fee.The customer can choose self-return or arrange the return shipment by himself. More information is provided on Refund Policy - Replacement & Return Part.