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OST Fenster. our. contact

OST Fenster S.A.
Z.l. Potaschbierg
14, op der Ahlkërrech
L-6776 Grevenmacher

Tel.: +352-71 90 91-1
Fax: +352-71 90 92
E-Mail: info@ost.lu


Monday to Friday from 8 am to 12 noon and 1 to 6 pm
Saturday from 8 am to 4 pm
Or by appointment

We also offer you the opportunity to visit us on serveral Sundays a year to get information about us and our products.
Please consult the "News" section for the dates.

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    You can find detailed information about the handling of user data in our Privacy Policy.