INDUSTRIA QUIMICA DEL ISTMO, S. A. de C. V. (IQUISA) manufactures and sells chlorine, sodium hypochlorite, hydrochloric acid, muriatic acid and liquid and solidified caustic soda. The chemical industry uses these products in a variety of applications. They are also used to produce drinking water and to manufacture household cleaning products.

IQUISA forma parte del grupo industrial CYDSA.
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