万博官方下载3.0app - app官方下载

郑重承诺：质量问题，从客户服务中心接到信息起.远程诊断在1个工作日内处理，配件邮寄在1个工作日内发出，上门服务在3个工作日内到达(扣除途中天数)。
Serious promise:for quality problem, starting from the time when the client service center receives information, the remote diagnosis to be disposed within one working day,accessories to be mailed within one working day. and door to service arrived within 3 working days (deducting on-the-way days).