Oswald Metzen GmbH
Oswald Metzen is your partner, reliable and future-oriented, who looks after all phases of the plant construction.
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Oswald Metzen is your partner, reliable and future-oriented, who looks after all phases of the plant construction.
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Yes, we are a little proud of the fact that our company founder, Heinz Burkhalter, has brought the reverse osmosis technology to Switzerland. His passion for water technology, the typical Swiss soil and the passion for perfection characterize our fam
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