The Certificate ISO 9001 : 2015
EN ISO 9002
In November 1997 Dirisamer Rohrbiegetechnik GmbH received the certificate according to the standard EN ISO 9002.
EN ISO 9001 : 2000
In March 2001 Dirisamer Rohrbiegetechnik GmbH received the certificate according to the standard EN ISO 9001 : 2000.
EN ISO 9001 : 2008
Since August 2010 Dirisamer Rohrbiegetechnik GmbH has proven standard to EN ISO 9001 : 2008.
EN ISO 9001 : 2015
Since August 2017 Dirisamer Rohrbiegetechnik GmbH has proven standard to EN ISO 9001 : 2015.
