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…