ZM SILESIA S.A., headquartered in Katowice (ul. Konduktorska 8), specialises in the production and processing of zinc and its compounds; it is registered in the Polish National Court Register under KRS 0000032784, and according to the register its principal activity is the production of lead, zinc and tin. The company’s sole shareholder is Boryszew S.A., and ZM SILESIA belongs to the Boryszew Group. The company includes the Huta “Oława” branch in Oława. The history of its plants dates back to 1845 (zinc white production in Oława) and 1847 (the “Konstancja” smelter in Lipiny); according to the company, it employs 200 people and serves 2,500 customers worldwide.
From SHG zinc with a minimum content of 99.995% Zn, the Katowice plant makes SilesiaZINC titanium-zinc sheet conforming to PN-EN 988 (in natural and pre-patinated Patyna Grey and Patyna Carbon finishes, as sheets and strip) and gutter systems, as well as Zn99.99 zinc wire and ZnAl alloy wire for thermal spraying, zinc casting alloys and zinc anodes for electroplating. The Oława branch produces zinc oxide by the French process – for the automotive, rubber and ceramics industries, among others, and as a feed additive – and lead oxides made in Barton oxidisers; the company states that it is the only producer in Poland offering the full range of lead oxides, from litharge through battery oxide to red lead.
According to the company, ZM SILESIA processes more than 40,000 t of raw materials a year. Its registered activities also include the treatment and disposal of hazardous waste; the company points out that titanium-zinc sheet is 100% recyclable, and its lead oxides are supplied to the battery industry, among others. The company holds ISO 9001, ISO 14001, ISO 45001, ISO 50001 and ISCC PLUS certificates, and in 2025 obtained a certificate confirming the calculation of its carbon footprint. As an IGMNiR member, ZM SILESIA represents zinc processing – rolled products, wire and anodes – and the chemical processing of zinc and lead into oxides.