Dirgdaz Khorasan Company, with a long history in the field of mining, production and processing of minerals needed in tile and ceramic and refractories industries, due to the availability of all kinds of low-iron refractories, in 2014 started a calcination and firing line. Minerals. Currently, by using appropriate industrial equipment (Rotary kiln with a length of 60 meters and the ability to cook up to 1400 degrees, crushing and granulation line, etc.), laboratory equipment for the purpose of quality control of products, in addition to the use of experienced specialists, it is possible to produce It has all kinds of chamotte with a daily capacity of 100 tons and good quality.