The customer service support provided by the official website of Letianpai offers you service information about products such as Rux Robot and Smart Sensor mmRadar Box.

You can get human customer support in the following ways,Our working hours are 9:30-24:00 Beijing time。

Online document

Online Chat support

Click "Chat" on this page to communicate with us and get online support.



Recruitment Email:

Media Communication:

CEO Email:

Facebook Messenger

Open ,Send Message to me, or Scan code.

Letianpai official  Facebook Messenger


Letianpai official  Whatsapp


Use Wechat to scan the QR code below to add our customer service manager.

Letianpai official Wechat