About Sieber Business areas Locations Actions Vacancies Contact BODY ORDER TERMS OF SERVICE Our general terms and conditions are available for download below. DOWNLOAD Josef Sieber GesmbH Bahnstrasse 5 A-2353 Guntramsdorf Tel.:+43 2236 52294 0 Fax: +43 2236 52294 26 office@sieber.co.at Opening times (head office) Monday to Thursday: 7:00 a.m. to 12:00 p.m., 12:30 p.m. to 4:15 p.m. Friday: 7:00 a.m. to 12:00 p.m., 12:30 p.m. to 2:45 p.m. Conditions imprint data protection