2007 was not a typical year in the diammonium phosphate (DAP) market.With the impact of increased demand for grain and chemical fertilizers and the tight international supply of sulfur,the price of DAP in China repeatedly hit new historical highs,and none was imported for eight consecutive months.China was a net DAP importer in 2006 butturned into a net DAP exporter in 2007.The demand for grain and chemical fertiliz-ers in the international market is still brisk in2008 and the short supply of sulfur remainsunchanged.The serious snowstorm at thebeginning of the year affected local DAP 2007 was not a typical year in the diammonium phosphate (DAP) market.With the impact of increased demand for grain and chemical fertilizers and the tight international supply of sulfur, the price of DAP in China repeatedly hit new historical highs, and none was imported for eight consecutive months. China was a net DAP importer in 2006 butturned into a net DAP exporter in 2007. Demand for grain and chemical fertilizer-ers in the international market is still brisk in 2008 and the short supply of sulfur remains. change. The serious snowstorm at thebeginning of the year affected local DAP