Deref was founded by Virgilio Fasolini in 1954 and it has been operating for over 60 years in the field of mineral industrial products. The company is based in Genova (Italy) and it’s part of Hydra Group. The company, active in these fields for three generations, is specialized in: - Demolition of Refractory Linings and Recycling; - Industrial Minerals Production & Sale; - Products for Steel Industry; - Casting Powders.