"Kaffra" clarification regarding the reasons for the change of over 30% of the operating profit in its clarification report, Iran Refractory Products (Kaffra) announced a 967% increase in the operating profit during the 6-month period of 1405; a jump equal to 5,029,810 million Rials, caused mainly by a 242% increase in the sales rate and a 39% increase in the volume of sales of the products.