Used 1,000 MTPD Ammonia Plant. Haldor Topsoe process. Major equipment replacement, overhaul and upgrades in 2014. Last turnaround in 2015. Use natural gas as feedstock. Gas efficiency better than 36.85 MBTU/MT of ammonia. NOx emission less than 75 ppm. Complete technical documents and spare parts available. A matching urea plant of 1,800 MTPD also available.