国产精品一区二区在线观看_美国老黑一级毛片免费的大黄_视频二区在线亚洲_欧美成人影院91_香蕉中文在线视频_看一级特黄a大一片_亚洲 欧美 另类 制服_国产美女高潮视频免费的_伊人天堂av无码一区二区_无码AV蜜臀AⅤ色欲在线观看

Home>Customer Service>After-sales service
Comprehensive after-sales service7*24h service, special line is set to guarantee responding within 2h and arriving at the site within 24h for maintenance
  • 14
    14 provincial offices nationwide
  • 1000
    More than 1,000 deep distribution partners
  • 100
    More than 100 maintenance engineers
  • 95%
    95% maintenance engineers have obtained national qualifications
Whole-process cold chain logistics systemThe first company in our country which achieves whole-process and all-region cold chain management
Whole-process cold chain logistics systemThe first company in our country which achieves whole-process and all-region cold chain management
National Free Service Hotline
800 830 4288 / 400 830 4880
Nationwide marketing service network, which can satisfy the customers’ product consultation and demands as quickly as possible
Nationwide after-sales service system, which can respond to any problem within 24h
Nationwide intermediary marketing system