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Kazzinc

A major Kazakhstan-based integrated producer of zinc, lead, copper, and precious metals.

Last updated August 31, 2026

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Overview

Kazzinc is an integrated mining and metallurgical company headquartered in Oskemen, Kazakhstan. It is one of the country’s largest producers of zinc, lead, and precious metals, with copper also forming part of its output portfolio. The company’s production system combines mining, ore concentration, smelting, refining, industrial services, and power generation rather than focusing on a single mine or processing stage. Kazzinc was created in 1997 through the consolidation of three major East Kazakhstan non-ferrous-metal producers: the Zyryanovsk Lead Complex, now associated with Altay; the Leninogorsk Polymetallic Complex, now associated with Ridder; and the Ust-Kamenogorsk Lead and Zinc Complex, now in Oskemen. These assets had previously been majority-owned by the government of Kazakhstan. Following the merger, the newly formed company was privatized, and Glencore International became its principal investor. Kazzinc subsequently developed as a major operating company within Glencore’s international metals and mining portfolio. The company’s principal industrial base is in East Kazakhstan, where Oskemen hosts a large metallurgical complex containing zinc, lead, copper, and precious-metals facilities. Its wider operating structure includes mining and concentrating activities in Ridder, Altay, and Zhairem, as well as the Altyntau Kokshetau operation in Akmola Region. Kazzinc also operates the Bukhtarma Hydroelectric Power Plant under a long-term concession arrangement, giving the business an additional role in regional energy infrastructure. Kazzinc’s output includes refined zinc, lead, copper products, and precious-metal products recovered from polymetallic ores. Its integrated configuration enables the company to extract value from ore bodies containing several economically useful metals and to process concentrates through its own metallurgical and refining assets. The business also maintains industrial and construction-related subsidiaries supporting mining and plant operations. The company’s core activities are concentrated in Kazakhstan, particularly in the East Kazakhstan, Karagandy, and Akmola regions. According to information cited for 2020, Kazzinc employed more than 20,000 people. Its economic importance extends beyond production: the company supports regional employment, infrastructure, education, healthcare, sports, cultural institutions, and programs for socially vulnerable groups. It has sponsored facilities including sports centers, swimming and athletics venues, an autism support center, religious buildings, and community facilities in the areas where it operates. Kazzinc is also connected with the social and cultural life of Oskemen through its general sponsorship of the Torpedo ice hockey club. The company has received Kazakhstan’s Paryz National Prize multiple times and has been recognized repeatedly through the Golden Hephaestus national award for ore and metal producers. In 2019 it introduced a larger-family support program and has also established a regional heroism award intended to recognize acts of bravery by local residents. Kazzinc remains a private operating company associated with Glencore rather than a separately listed public issuer. Its present identity is that of a large, vertically integrated Kazakhstan metals producer whose business combines polymetallic mining, non-ferrous metallurgy, precious-metals refining, industrial services, and concession-based power generation.

History

Kazzinc was created in 1997 during the restructuring and privatization of Kazakhstan’s non-ferrous-metals industry. Its foundation brought together three strategically important East Kazakhstan enterprises: the Zyryanovsk Lead Complex, the Leninogorsk Polymetallic Complex, and the Ust-Kamenogorsk Lead and Zinc Complex. The three predecessor businesses supplied the company with mining, concentrating, smelting, and refining capabilities across the polymetallic value chain. They had been majority-owned by the Kazakhstan government before the merger and subsequent transfer to private ownership. Glencore International became Kazzinc’s principal investor after privatization. The relationship placed Kazzinc within the international metals-trading and mining group while leaving it as a Kazakhstan-centered operating company. Its main industrial base developed around Oskemen, formerly known as Ust-Kamenogorsk, where the company operates zinc, lead, copper, and precious-metals facilities. The company’s geographic structure also reflects the legacy of the merged enterprises, with mining and processing activities in Ridder and Altay and additional mining operations at Zhairem. Over time, Kazzinc expanded beyond its core East Kazakhstan mining and metallurgy activities. Its organizational structure includes the Ridder Mining and Concentrating Complex, Ridder Metallurgical Complex, KazzincMash, Kazzinc-Shakhtostroy, the Altay Mining and Concentrating Complex, the Zhairem Mining and Concentrating Complex, and Altyntau Kokshetau in the Kokshetau area. Kazzinc also operates the Bukhtarma Hydroelectric Power Plant under a long-term concession. This combination of mines, concentrators, metallurgical plants, industrial-service units, and power infrastructure gives the company an integrated regional footprint. The business produces zinc, lead, copper, and precious metals from polymetallic resources. Oskemen is especially important because its metallurgical complex includes separate zinc, lead, copper, and precious-metals operations. The company’s activities extend across East Kazakhstan, Karagandy, and Akmola regions. By 2020, cited company information described a workforce of more than 20,000 employees, underscoring Kazzinc’s role as a major industrial employer. Kazzinc has also pursued a broad regional social-contribution program. It supports healthcare, public education, sports, culture, social infrastructure, and vulnerable groups in Oskemen, Altay, Ridder, Kokshetau, and Zhairem. Sponsored facilities include the Palace of Combat Sports, the Olga Rypakova athletics center, the Central Swimming Pool, a tennis center, the Asyl Miras children’s autism center, and improvements to the Boris Alexandrov Palace of Sports in Oskemen. In Zhairem and Ridder, the company has supported mosque construction, while Zhairem has also received a community center. Kazzinc additionally supports children’s homes in East Kazakhstan. In July 2019, the company launched its Larger Family Support Program. It has also created a regional Heroism Award, with recipients selected through public opinion polling, to recognize local acts of bravery. Kazzinc is a general sponsor of Oskemen-based Torpedo Ice Hockey Club, linking the company to regional sports. The company has been recognized with Kazakhstan’s Paryz National Prize five times and the Golden Hephaestus national award eight times, according to the cited reference material. Kazzinc remains a private company and is not identified as a separately listed public issuer. Its modern profile is that of a large, vertically integrated Kazakhstan metals producer operating within Glencore’s corporate sphere, with a business model built around polymetallic mining, processing, refining, industrial support, and regional infrastructure stewardship.

  • 2020

    Workforce exceeds 20,000

    [1]

    Cited information for 2020 describes Kazzinc as employing more than 20,000 people.

  • 2019

    Larger Family Support Program begins

    [1]

    Kazzinc launches a regional program supporting larger families in communities affected by its operations.

  • 1997

    Kazzinc is formed

    [1]

    The company is established through the merger of three major East Kazakhstan lead, zinc, and polymetallic producers.

  • 1997

    Glencore becomes the principal investor

    [1]

    Following privatization, Glencore International becomes Kazzinc’s main investor and links the company to the international metals group.

Products and positioning

Large integrated Kazakhstan mining and non-ferrous-metals producer with mining, concentrating, smelting, refining, industrial-services, and regional infrastructure operations.

  • Non-ferrous metals · 1997

    Zinc

    Zinc is one of Kazzinc’s principal products. The company’s Oskemen metallurgical complex includes a dedicated zinc plant, supported by mining and concentrating operations that process polymetallic ores. Zinc production is central to Kazzinc’s identity as one of Kazakhstan’s largest non-ferrous-metals producers.

  • Non-ferrous metals · 1997

    Lead

    Lead is produced through Kazzinc’s integrated mining and metallurgical system. The company’s origins include the Zyryanovsk Lead Complex and the Ust-Kamenogorsk Lead and Zinc Complex, while its Oskemen facilities include a lead plant. Lead is recovered from polymetallic ores alongside zinc, copper, and precious metals.

  • Non-ferrous metals · 1997

    Copper

    Copper forms part of Kazzinc’s multi-metal production portfolio. Copper-bearing material is processed within the company’s integrated operating network, and the Oskemen Metallurgical Complex includes a copper plant. The product complements the company’s larger zinc and lead businesses.

  • Refined metals · 1997

    Precious metals

    Kazzinc recovers and refines precious metals associated with its polymetallic ores. Its Oskemen Metallurgical Complex includes a precious-metals refinery, allowing the company to capture value from by-products generated during the processing of zinc-, lead-, and copper-bearing materials.

  • Mining concentrates · 1997

    Polymetallic concentrates

    Kazzinc’s mining and concentrating complexes produce polymetallic concentrates as an intermediate stage before smelting and refining. These concentrates contain combinations of economically valuable metals and feed the company’s downstream metallurgical facilities.

Marketing campaigns

  • 2019Larger Family Support Program

    Kazakhstan

    A regional community-support initiative launched in July 2019 to assist larger families in areas connected with Kazzinc’s operations.

    Outcome. The available reference describes the program’s launch but does not provide a quantified outcome.

  • Regional community and social infrastructure program

    East Kazakhstan · Akmola Region · Karagandy Region

    Kazzinc supports healthcare, education, sports, cultural institutions, religious facilities, social infrastructure, children’s homes, and vulnerable groups in communities surrounding its operations.

    Outcome. The program has included sponsorship of sports venues, an autism center, community facilities, mosques, and repairs to existing public facilities.

  • Torpedo Ice Hockey Club sponsorship

    Oskemen · Kazakhstan

    Kazzinc serves as general sponsor of the Torpedo ice hockey club based in Oskemen.

    Outcome. The available reference confirms the sponsorship but does not provide additional campaign-performance details.

Brand decisions

  • 2019

    Launch of the Larger Family Support ProgramStrategy

    Background

    Kazzinc’s community-investment activities extend to social programs in regions where it operates mines and industrial facilities.

    Action taken

    The company introduced a program aimed at supporting larger families.

    Aftermath

    The available reference records the launch but does not quantify the program’s subsequent results.

  • 1997

    Consolidation of three East Kazakhstan producersM&A

    Background

    The Kazakhstan government had majority ownership of three major regional lead, zinc, and polymetallic producers before the sector’s restructuring and privatization.

    Action taken

    Kazzinc was established by merging the Zyryanovsk Lead Complex, Leninogorsk Polymetallic Complex, and Ust-Kamenogorsk Lead and Zinc Complex.

    Aftermath

    The transaction created an integrated regional mining and metals company that later operated as part of Glencore’s corporate sphere.

Sources2 sources

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