Quality Management – CertificatesDIN EN ISO 9001 : 2015DIN EN ISO 14001 : 2015DIN EN ISO 50001 : 2018DIN ISO 45001 : 2018APIAmerican Petroleum InstituteRAL Quality AssociationFabric Expansion Joints e.V.BMEcatelektronic rrodukt catalogesKTA 1401TQCert certificate as educational institution