Haznedar Refractories has merged with its sister company Durer Monolithics under one legal entity: Haznedar Durer Refractories. Haznedar Durer has now joined forces with Calderys to continue to be the strongest solution partner of industries working with extreme temperatures and conditions with its high quality refractory bricks and monolithic products. Among our partners are the iron& steel industry, cement& lime industry, nonferrous metallurgy sector, incinerators, petro-chemistry plants& refineries and glass industry.