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.

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。

youdao

We guarantee to keep our production in good repair for free in one year, and give a promise of maintenance for life.

我们以“质优价廉、诚信经营、服务为本”的销售理念为您服务，并承诺对本公司产品提供一年免费保修，终身维护、维修。

youdao