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Our the terms of trade are DDU.
DHL: 3-5 working days not guaranteed, tracked, import duties excluded.
FedEx: 4-8 working days not guaranteed, tracked, import duties excluded.
For express service, consignee has to help with the customs clearance issue when shipment reach the destination customs , in case import customs request information or documents. It’s important to pay the customs duties in time, or the package will be returned. We would request the customer to take charge of the return fee if it cause by the above reasons.
You could load a proforma invoice when you click "checkout".
Show as in the picture as attached.
Seeed Customer Support Team
Please visit our wiki page for more info about products. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For any technical support, please post your questions to our forum.