The industrial production taking place in the region includes textiles, clothing, sugar, cigarettes, lumber, plywood, paper, ceramics, cement, glass, metalwork, plastics, chemicals, tires, electrical appliances, and farm machinery.  ''Maquiladora'' duty-free assembly plants have been established in an industrial park in the Amarateca valley, on the northern highway. Silver, lead and zinc are still mined in the outskirts of the city.