After a package arrives at our warehouse, it usually takes us 2 business days to open, inspect, weigh, and register the package information into the system.

If you still do not receive a notification e-mail after 3 business days from the package delivery date, please provide us with information below.
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1. Tracking number.(The tracking number is usually a 12 digit number, written like: XXXX-XXXX-XXXX):
2. Sender:
3. Recipient's name:
4. Names, quantity and price of contents:
5. Reference pictures or links
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[Customers support team]
https://www.tenso.com/en/inquiry

A shipping notification email from the store would be helpful as well.