IHS Chemical recently said that the rapid growth of the North American ammonia production capacity will lead to global trade patterns changed greatly ammonia.
North American shale gas revolution has brought abundant and cheap local gas supply of raw materials, ammonia and nitrogen American industry is again full of new vitality, plant operating rates have increased levels have been idle production capacity has also been restarted, and there are a number of companies announced a new device or devices on existing plans to expand capacity. Louisiana and Iowa some projects already under construction, is expected by 2018 the United States will add more than 500 million tons / year of ammonia production capacity.
The United States is currently the world’s largest importer of ammonia, but with the rapid expansion of the country’s ammonia production capacity, imports will gradually reduce, and in the near future, there may be converted into a net exporter of ammonia.(http://www.lubonchem.com supply)