What is your after-sale service hotline?

你们的售后服务热线是什么？

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This service hotline provides after-sale services consulting and reservation for product return and refund, 09:00-21:00 every day (except for statutory rest days).

该热线在每日09：00-21：00（法定休息日除外）为您提供服务信息咨询和客户产品退货返款预约服务。

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