S.I.G.MA. S.r.l.

With two manufacturing facilities one in Locate Varesino (Italy) and the other in Plovdiv (Bulgaria) we are one of the major players in the manufacturing of refractory products for the glass industry. We can supply the complete range of materials for glass furnaces from Fireclay to Sillimanite, Mullite, High alumina, Zircon-mullite, Zircon, Magnesia based materials, Silica and Fused cast.