If the repaired product does not have a card or is not stamped, it will be based on the purchase record, production year and month, and manufacturing number in order, and will be charged accordingly
Those who have not attached a card or stamped repair products are based on the purchase record, the year of production and the manufacturing number in order, and are charged at their discretion
If the returned products are not attached with a card or sealed, the purchase record, production date and manufacturing number shall be taken as the basis, and the fee shall be charged according to the order<br>