> Нүриэнжигийн давуу тал > 3Way M2M
3Way M2M
Service engineer uses 3 Way M2M system to analyze and investigate errors in elevator using defect checking device
and not going up to machine room.
> Нүриэнжигийн давуу тал > 3Way M2M
3Way M2M
Service engineer uses 3 Way M2M system to analyze and investigate errors in elevator using defect checking device
and not going up to machine room.