一年保修，免费更换配件。
一年质保，免费更换配件。
保修期内如果有问题，我们免费邮递配件，更换简便。
The warranty period if there are problems, we free mail parts, easy replacement.
销售产品一经售出，将在一周内免费退换的服务，配件做到终生免费更换服务。
Sales of products once sold, will be returned within one week of service free, free replacement parts to achieve life-long service.
销售产品一经售出，将在一周内免费退换的服务，配件做到终生免费更换服务。
Sales of products once sold, will be returned within one week of service free, free replacement parts to achieve life-long service.
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