About
It was established by Doğan Kalaçlar in 1970 to provide high quality refractory materials that our industry needs. Today, it has become a ISI MARKET that offers its customers all materials used in heat-related environments. Our Mission ; Our experience over the years is to ensure that our customers use the right and affordable material in their designs. Our vision; To follow the innovations in heat-related materials and to respond to the developing demands of our industry.