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ISO 9001:2008 Certification
ISO 9001:2008 Certification
SITRA applies a Quality Management System that applies to the requirements of the International Standard ISO 9001:2008.
This certification has been implemented by ift Rosenheim in Munich, Germany

With ISO 9001:2008 by ift Rosenheim, standardization is ensured at the line of production, so that our company can ensure and guarantee the fixed and top quality of its windows and doors.


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