全球用户每买一台欣普产品，我们就要保证其好用一台。 We ensure that each SEWPOWER product works well.

有任何问题服务解决! If any problem occurs, we will solve it with our quality service.

服务解决不了的---更换! If the problem remains, we will replace with new one.

更换解决不了的---无条件退货! If still fail to solve it, we will accept the retum unconditionally.