The price of cement raised to Rs.40 per bag in Frontier and Punjab during last two days. According to sources of cement industry, price of a cement bag had rose to Rs.30 in Punjab and Frontier on August 31 followed by ex factory price Rs.250 per bag. However, now ex factory price of a cement bag is Rs.260 after increment of Rs.10 on September 1. Chief financial officer of Attock cement company Irfan Imanullah said prices had been reduced few months ago due to less local demand and drop in export but now once again the prices have been increased because of rise in demand and export.