Preventive maintenance:
Up to now, the maintenance service not only performs the task of maintaining the factory, but also is a prestigious unit in the maintenance service in the famous hotels in Hanoi such as:
Sofitel Metrople Legend Ha Noi,
Sheraton Ha Noi,
Ha Noi Lake View,
Buildings as: CMC Tower,
PVI Building,…
Or embassies such as the Embassy of Australia, Canada, Denmark…