Quality

With an annual production of more than 500 m aluminium and laminate tubes, Karl Höll is one of the leading tube producers in Europe, in terms of quantity as well as quality. Our employees of the Langenfeld and Kirchheimbolanden plants are proud of their successful work for highest quality, manifested by several awards and certifications:


A trailblazer in documented quality systems in the tube business, with a first QS manual in 1971


Certification of DQS according to DIN EN ISO 9001 since 1993.


Drug Master File 10985 of the US Food and Drug Administration since 1994.


ISO 15378 "GMP" certification since 2005.


Customer Certifications


Quality awareness among all employees


Production of aluminium tubes which are almost sterile and free of particles in a clean room in compliance with US Federal Standard 209C


Compliance with quality standards is constantly being monitored through comprehensive IT-based inspections and internal audits. Corrections and innovative amendments of procedures, processes and products are quickly implemented by our process and development engineers.


Certificate ISO9001 - 2008 download
Certificate ISO15378 - 2007 download