Customer Service

Is your product incomplete, damaged or does not suit you?

Contact us via the online form available here: https://at4.com/contact/.
We will process your request depending on the case:

• If the parts have a defect or are missing, our after-sales service will intervene.
• If the parts have been damaged during transport and the necessary reservations have been made with the carrier, our after-sales service will replace them.
• If you have not indicated that the package was damaged upon receipt, then we may offer you paid parts to complete your product.