PROPORCIÓN 3, SA, a reference in glass publishing in Spain, Portugal and Latin America

With the aim of presenting the technical information of the sector in a different way FLAT GLASS e MECHANICAL CARPENTRY in Spain, Portugal and Latin America, PROPORTION 3, SA was founded in 1989 proposing since its inception “A UNIQUE EDITORIAL CONCEPT OF ITS KIND. Today it is a point of reference in all Spanish and Portuguese markets in the flat glass and carpentry sector. In addition to publishing a series of magazines, it is present in the digital world with the portal www.vidrioperfil.com