Manufacture of refractory products

Title: Manufacture of refractory ceramic products It comprises the manufacture of refractory products molded from any base and any that is the end of the product (construction, insulation, laboratory, etc.) and refractory products unmolded (mortars, cement, concrete, inducts and other prepared mixtures). It also includes the manufacture of heat-repellent products (obtained from siliceous flour fossils) and products containing magnesite, dolomite or chromite.