如有质量问题，六个月内可包退包换。

We promise replacement within 6 months if any quality problems are found.

youdao

如有质量问题可以包换。

If quality have any problems could be replacement.

youdao

完善的售后服务，如有质量问题一年内免费更换，免费维修。

We have good sale-service. if you would have the quality question , we would change of repair it for you free in charge.

youdao