This product from the date of signing within 30 days of any non-man-made quality problems by the merchant is solely responsible for the signing of 30-100 days, the goods have non-man-made damage to the quality of the problem need to be repaired, the merchant can bear the cost of repair as well as to the guests to resend postage, but the goods returned to the domestic warranty postage and taxes to be borne by the guests themselves, beyond the warranty period will not be responsible for.