First kiln was operated on 17/7/1428h, 31/7/2007. the commercial production started on 1/2/2008, 24/1/1429h. Two lines were operated on 2012 and 2015, 1433h and 1436h, each of a capacity of 5,000 tons/ day. The total capacity of Tahama factory is 15,000 tons/day, i.e. 4,500,000 tons of clinker per year.