Utilize the input text as a context reference, choose the right relationship between Katanga Mining and Glencore from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.
Text: Glencore said last month it would suspend production at its Katanga Mining (Toronto: KAT.TO - news ) unit for 18 months as it pursues an $880 million modernization project to lower costs.
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