Telescopic automatic sliding door opener. Can be opened by switch, senso...

Telescopic automatic sliding door opener. Can be opened by switch, sensor or biometrics. Use linear magnetic drive sliding door system, more quiet and smooth. Email:sales@autodooroperator.com WhatsApp/Wechat:+86 18971265826 Skype:autodoorleader Website:https://www.autodooroperator.com/