Asturiana de Zinc
Asturiana de Zinc (AZSA) is a Spanish zinc producer, part of Glencore, operating an industrial complex in San Juan de Nieva, Asturias.
Last updated September 16, 2026
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Overview
Asturiana de Zinc (AZSA) is a zinc producer that is part of Glencore, described as a multinational dedicated to natural resource extraction and one of the world's leading zinc producers. Its industrial complex in San Juan de Nieva (Asturias) is described as one of the largest and most efficient in the zinc sector worldwide. The company reports over 60 years of operation at the San Juan factory, more than 1,000 employees, and more than 400 contractors. It produces zinc, zinc alloys, sulfuric acid, zinc sulfate, liquid sulfur dioxide, and zinc oxide.
History
Asturiana de Zinc (AZSA) reports over 60 years of operation at its San Juan factory. It is part of Glencore, a multinational dedicated to natural resource extraction and one of the world's leading zinc producers. Its industrial complex in San Juan de Nieva (Asturias) is described as one of the largest and most efficient in the global zinc sector. The company reported a record production of 510 kt of marketable zinc in 2020 and 675+ ktpy of marketable sulfuric acid. It has more than 1,000 employees and more than 400 contractors.
Products and positioning
One of the largest and most efficient industrial complexes in the global zinc sector, focused on continuous process improvement, cost reduction, and production optimization.
Zinc Z1 (SHG 99.995% Zn)
Zinc alloys ZL
Continuous Galvanizing Grade alloys (CGG)
Sulfuric acid
Zinc sulfate
Liquid sulfur dioxide
Zinc oxide
Sources2 sources
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