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Group copper - Výrobce - Německo

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COFERMIN CHEMICALS GMBH & CO. KG

Německo

Cofermin Chemicals is your reliable partner in the production, manufacture, storage and distribution of chemicals, incorporating expertise in the following product groups: -chrome oxide and other metal oxides, such as cobalt oxide, copper oxide and titanium dioxide - corrosion inhibitors and metal passivators, such as benzotriazole, tolyltriazole and benzimidazole - boric acid - fluoric products such as cryolite and fluorspar - rare earth products such as cerium oxide and other rare-earth metal oxides - lithium chemicals, such as lithium carbonate and lithium hydroxide - silver products, such as silver nitrate, silver sulphate - chemical catalysts such as palladium chloride, palladium nitrate, hexachloroplatinate solution, rhodium nitrate and other precious metal catalysts - sodium benzoate and benzoic acid - sodium molybdate and ammonium molybdate - Turkey-red oil, rapeseed oil, fish oil and other sulphated fatty acids - carbon black - polyvinyl alcohol. Cofermin was awarded the German Foreign Trade Award in 2016.

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ENERGIETECHNIK ESSEN GMBH

Německo

Energietechnik Essen GmbH – a member of the Georgsmarienhütte Group – bases its capabilities and skills on continuous research and development as well as on experience reaching back to 1811. The Energietechnik Essen GmbH develops, produces and supplies safety-relevant high-tech products, mainly for manufacturers of power generation machinery. When the first turbo-generator was built at the start of the 20th century, the Essen-based company supplied the retaining rings. Retaining rings are placed on the ends of the rotors to fix the copper coil against the centrifugal forces created by the high rotational speeds. The oldest documents in the company's archive relating to non-magnetisable retaining rings date back to 1901. Energietechnik Essen GmbH uses two remelting units, one electroslag remelting unit and one pressurised electroslag remelting unit, to produce the materials for retaining rings.

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Group copper - Výrobce - Německo

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