... extensively used in the chemical, metallurgical, and building industries, for drying slag, clay, limestone and other materials with a certain level ... in mineral dressing, building material, metallurgical and chemical industries for drying many kinds of materials with levels of humidity or granularity ... -I41.5278ø3*2532-3675YR280M-4ZL100-16-I41.52104.9 High efficiency stone rotary drum drier (hot)