Private company

Central Iron Ore Enrichment Works

Processing and production of raw materials for the steel industry

Central Iron Ore Enrichment Works (CGZK) specializes in processing and production of raw materials for the steel industry, merchant concentrate with an average Fe content of 65.0% to 68.2% and pellets with an average Fe content of 63.9%. It is the only mine in Ukraine, that simultaneously uses open-pit quartzite fields and underground mining.2 It is part of Metinvest.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1961Founded1

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Central Iron Ore Enrichment Works (CGZK) specializes in processing and production of raw materials for the steel industry, merchant concentrate with an average Fe content of 65.0% to 68.2% and pellets with an average Fe content of 63.9%. It is the only mine in Ukraine, that simultaneously uses open-pit quartzite fields and underground mining.2

Corporate structure

Central Iron Ore Enrichment Works is part of a group headed by SCM Holdings. 31 entities, 3 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

The story

Central GZK was established in 1961 in Kryvyi Rih.

It mines Hleyevatskyi, Petrovskyi and Artyomovskyi open-pit quartzite fields, and from Ordzhonikidze underground mine. Industrial quartzite resources are 51, 146, 159 and 106 million tons respectively.

Along with three quarries and mine, the works consist of three plants (crushing, concentrate and pellets), and one auxiliary plant, serving the main production.

The company employs nearly 8,500 people.

Central GZK is included in the Iron Ore Division of Metinvest Holding LLC, which is a component of the System Capital Management group of companies.

As of 2011 annual production stood at 14.2 Mtons of raw ore, more than 5.9 Mtons of iron ore concentrate, and over 2.2 Mtonnes of pellets.

In 2023, the Central Iron Ore Enrichment Works deservedly entered the Top 200 companies by income for 2022, which indicates its successful activities and significant contribution to the global economy.

From Wikipedia’s article on Central Iron Ore Enrichment Works, shared under CC BY-SA 4.0.3

Products and brands

  • iron ore

Listed on Wikidata.1

Subsidiaries and ownership

Parent company

Subsidiaries

  • Gigant
  • Saksahan

From Wikidata.1

Acquisitions

  1. 2005Acquired Gigant1
  2. 2004Acquired Saksahan1

Timeline

  1. 1961Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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