Certificates / test marks
Fels management policy
Download fileDLG test mark `Fels CalciDes´
Download fileDLG quality seal `Fels CalciDes´
Download fileDLG test mark `Fels CalciBox´
Download fileManagement system certificate DIN EN ISO 9001
Download fileManagement system certificate DIN EN ISO 14001
Download fileManagement system certificate DIN EN ISO 9001_english
Download fileManagement system certificate DIN EN ISO 14001_english
Download fileEnergy management system certificate ISO 50001
Download fileCertification maintenance centre
Download fileCertificate Energy Efficiency Initiative – Networks
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