Cuarcitas del Mediterráneo, S.A. (Cumesa)
Ctra. Comarcal 242, km. 57,5
43365 Alforja (Tarragona)
T +34 977 816 076 - F +34 977 816 536
Alvera's porphyritic aggregates are characterized by very specific physical and mechanical properties that offer high resistance to fragmentation and wear. They are used as ballast in the execution of railway superstructure and in the surface course of high-performance highways.