APRO is the result of an industrial research project developed on the basis of the know-how acquired by the Master Group in the manufacture and marketing of high-tech accessories and solutions for aluminium windows and doors.
The Master Group has been designing components for aluminium window and door frames since 1986, with a process made up of research, investment, study of the culture of aluminium and paying close attention to the quality of materials, the search for technologies that allow the production of products manufactured for high performance, the identification of new market requirements and the satisfaction and continuous care of the customer.
Today, Master is a global brand present in more than 58 countries around the world.