提供设备的终生上门维修服务。

To provide equipment for a lifetime home repair service.

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保质期：一年之内整机保修，终生提供上门维修。

Shelf life: one year machine warranty and lifetime provide on-site maintenance.

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设备实行三包：代包托运、免费维修、终生维护。 可上门安装调试。

We provide three respects of guarantee: we will pack and send it to you, repair it for free, provide technology support, install and adjust for you.

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