1.For stock order
1). Can be changed or cancelled beofore shipping.
2). The shipped order cannot be changed or cancelled.
2.For custom order
1). Free of charge within 2 days after you placed the order.
2).15% handling fee will be charged for any change or cancellation within 1 week after the unit is in processing.
3).30% handling fee will be charged for any change or cancellation after 1 week when the unit is in processing.
4). The shipped order cannot be changed or cancelled.