Sociedad Quimica y Minera de Chile S.A. (SQM) is a producer of potassium nitrate and iodine chemicals. The Company operates in six segments: specialty plant nutrients, industrial chemicals, iodine and derivatives, lithium and derivatives, potassium, and other products and services. It produces four types of specialty plant nutrients: potassium nitrate, sodium nitrate, sodium potassium nitrate and specialty blends. It produces iodine and iodine derivatives, which are used in a range of medical, pharmaceutical, agricultural and industrial applications. It is also a producer of lithium carbonate, which is used in a range of applications. SQM produces potassium chloride and potassium sulfate from brines extracted from the Salar de Atacama. It produces four industrial chemicals: sodium nitrate, potassium nitrate, boric acid and potassium chloride. In addition, it sells other fertilizers and blends, some of which it does not produce.