Buyer must readr
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Once the goods have arrived at the place of receipt, whether or not the overpacks are broken, the boxes must be opened and checked in person for confirmation of receipt and subsequent receipt, and the customer has tacitly and subsequently accepted no objection to the quantity and type of goods delivered; in the event that the product is damaged as a result of transportation, the shipping company concerned should be provided with a certificate that the goods have been stamped and provided with proof that we will assist the customer in the claim
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... The warranty product needs to be returned within the warranty period and the product's appearance may be maintained. (a) unauthorized repairs, modifications。