Becausewe custom cut our extrusions to length per order, please be sure yourmeasurements for custom cuts are accurate. If you receive something other thanwhat you ordered, contact us at +86 13609699895 or firstname.lastname@example.org and wewill arrange an immediate replacement or refund of all charges. However, if youare requesting an RMA on heatsinks that have been received as ordered; thesewill be subject to a 30% restocking fee and return shipping will be at thecustomers expense. Any handling or cut fees are non-refundable. Ifyou need to return an item, simply login to your account, view the order usingthe "Complete Orders" link under the My Account menu and click theReturn Item(s) button. We'll notify you via e-mail of your refund once we'vereceived and processed the returned item. Or you may contact us to initiate a return.