国产日本欧美色视频_欧洲一级精品毛片大全_4399视频在线观看免费播放_羞羞电影在线观看_久久www免费人成一看_日韩AV手机免费在线观看_午夜香蕉成视频人网站高清版_国产a级不卡片视频不卡片_一级 片激情视频播放_国产亚洲一区呦系列

Language
EN CN
常見問題

為您整理出可能遇到的常見問題

Service support - common problem
  • whole
  • 售前問題
  • 售后問題
  • 網站瀏覽
    • 售前問題
    How to deal with no power, no light, weak light, and alarm?

    Please find the corresponding technical engineer, if there is no technical engineer contact number, please prepare the nameplate information, find the official website online consultation or call 4006664000.

    How to turn on?

    Please find the corresponding technical engineer, if there is no technical engineer contact number, please prepare the nameplate information, find the official website online consultation or call 4006664000.

    When transferring equipment money, the account name is not the Zhengxi Group, but a certain company (full name of the business department), is there a problem?

    Please find the corresponding technical engineer, if there is no technical engineer contact number, please prepare the nameplate information of the whole machine, find the official website online consultation or call 4006664000.