# Asturiana de Zinc

Group: Glencore  
Ownership path: Asturiana de Zinc (company, LEI 959800VZA4DALXMWXS77) → [Glencore](https://ai-waw.com/en/companies/groups/glencore.md) (corporate group, LEI 2138002658CPO9NBH955)  
Country of seat: Spain  
Data as of: 2026-10-20, version 2.31  
Page: https://ai-waw.com/en/companies/asturiana-de-zinc

## Plants

### San Juan de Nieva (Castrillón (Avilés), Spain)

- Link: zinc smelter
- Status: operating
- Metals: zinc
- Capacity: 510 kt/yr
- Output 2024: 540 kt cynku
- Coordinates: 43.58, -5.95
- Source [B]: Asturiana de Zinc S.A.U. (Glencore), Public Responsible Supply Chain Due Diligence Report 2024 – https://glencore.com
- Source [B]: Invest in Asturias, profile of the Asturiana de Zinc plant – https://investinasturias.es
- Source [B]: Glencore Technology, instalacja Albion Process – San Juan de Nieva – https://glencoretechnology.com
- Source [B]: Asturiana de Zinc – company website – https://www.azsa.es/
- Source [B]: Asturiana de Zinc, S.A.U. – Public Responsible Supply Chain Due Diligence Report (year 2024), s. 3 – https://www.glencore.com/.rest/api/v1/documents/static/9f6d9b58-0e66-4649-813e-4fcb8b4a9020/2024+AZSA+Public+Responsible+Supply+Chain+Due+Diligence+Report.pdf
- Source [B]: Asturiana de Zinc, S.A.U. – Public Responsible Supply Chain Due Diligence Report (year 2025), s. 3 – https://www.glencore.com/.rest/api/v1/documents/static/0e8b85a8-e542-41f7-99ab-cab01cc4155e/2025+AZSA+Public+Responsible+Supply+Chain+Due+Diligence+Report+.pdf
- Source [B]: IGME – Panorama Minero 2022, rozdz. „Cinc 2021”, p. 185 (item 4.1.3) – capacity “más de 550,000 t”, Waelz approx. 10% – https://aguas.igme.es/PanoramaMinero/actual/CINC%202021.pdf
- Source [A]: Eurostat PRODCOM DS-059358 – sold production, kody 24431230 i 24431250, ES 24431230 2023; 24431250 2019–2024; IT 24431230 2019–2024; BG 24431230/24431250 – :C; dataset DS-059358, indicators PRODQNT/PQNTFLAG/PQNTBASE/OWNPRODQNT; unit KG converted to t – https://ec.europa.eu/eurostat/api/comext/dissemination/sdmx/2.1/data/DS-059358/A..24431230+24431250.PRODQNT+PQNTFLAG+PQNTBASE+QNTUNIT+PRODVAL+PVALFLAG+OWNPRODQNT+SCPRODQNT/?startPeriod=2019&endPeriod=2025&format=SDMX-CSV
- Source [B]: Glencore – Full Year 2024 Production Report, s. 5–6 (agregat: Portovesme, Asturiana, Nordenham, Northfleet, CEZ); s. 6; s. 5–6, 13 – https://www.glencore.com/.rest/api/v1/documents/static/437c6cdb-dbfb-4e61-a769-18655951cee2/Glencore+production+report_FY2024.pdf
- Source [C]: BGS – World Mineral Production 2020–24, table “Production of slab zinc” (and the 2019–23 edition for 2019), s. 78 – Netherlands; s. 78 – France; s. 78 – Spain; s. 78 – Germany; s. 78 – Italy; s. 78 – Bulgaria; s. 78 (wyd. 2020–24) i odpowiednia tabela wyd. 2019–23 – https://nora.nerc.ac.uk/id/eprint/541620/1/WMP_2020%20to%202024.pdf
- Source [B]: EEA, Industrial Reporting under the IED and E-PRTR, wersja 16 (2007–2024): pliki „F6_1_IED_Installations.csv”, „F1_4_Air_Releases_Facilities.csv”, „F3_2_Transfers_Facilities.csv”, „F4_2_WasteTransfers_Facilities.csv”, reporting year 2024; IED installations 2.5(a), 2.5(b), 2.3(c), 4.2(e), 5.1; E-PRTR facilities 2(e), 3(a), 5(a) – https://sdi.eea.europa.eu/datashare/s/sptXqwkQr5g7Bp5/download?path=/eea_t_ied-eprtr_p_2007-2024_v16_r00
- Source [B]: GLEIF – Global LEI Index, API lei-records i fuzzycompletions – https://api.gleif.org/api/v1/lei-records
- Note: The company reports a record commercial zinc output of 510 kt in 2020 and over 675 kt of sulphuric acid; employment of over 1,000 people and over 400 contractors; the San Juan plant has operated for over 60 years. In regional materials it is described as the world's largest electrolytic zinc smelter. Roast-leach-electrowin process; Albion installation.
- Verified at source: 2026-10-08

## Products

- [Zinc casting alloys (Zamak, ZA)](https://ai-waw.com/en/companies/products/zn-alloy-casting.md) – San Juan de Nieva (Castrillón (Avilés))
- [Zinc galvanizing alloys (ZnAl, ZnNi, ZnAlMg)](https://ai-waw.com/en/companies/products/zn-alloy-galv.md) – San Juan de Nieva (Castrillón (Avilés))

## Metal flow analyses

- [EU-27 Zinc Flows](https://ai-waw.com/en/metal-flows/eu-zinc-flow-analysis.md)