Since 1996, ALTO Perfis Pultrudidos, Lda, manages its production on composite materials area, where is specialist on pultrusion process manufactory, hand lay-up, VARTM, infusion, moulding by contact and resin projection. These processes are fiber reinforced plastics exclusives, also named polymeric matrix composite materials.

Located in Oporto, ALTO-Perfis Pultrudidos, Lda is a certified company by the ISO 9001 Standard.