China National Building Material Company Limited reported unaudited earnings guidance for the three months ended March 31, 2018. The company expected profit attributable to equity holders of the group for the three months ended 31 March 2018 will increase substantially as compared with that of the same period in 2017. The above expected increase, which is attributable to the principal business of the Group, is primarily due to an increase in the price of cement, being the major product of the group.