The author reserves the right not to be responsible for the topicality, correctness, completeness, reliability or quality of the information provided.

Liability claims against the author for material or immaterial damage resulting from access to or use or non-use of the published information, misuse of the connec-tion or technical faults are excluded.

All offers are non-binding. The author expressly reserves the right to change, supplement or delete parts of the pages or the entire offer without separate an-nouncement or to cease publication temporarily or permanently.

Liability for links

References and links to third party websites are outside our area of responsibility. No responsibility is accepted for such websites. Access to and use of such web-sites is at the user's own risk.


The copyright and all other rights to content, images, photos or other files on the website belong exclusively to Glas Trösch Holding AG or the specifically named owners. The written consent of the copyright holders must be obtained in ad-vance for the reproduction of any elements.

Contact address

Glas Trösch Holding AG
Industriestrasse 29
4922 Bützberg

Authorised representatives

Dr. Fabian Zwick
Dr. Daniel Kiwit

Trade register entry

Registered company name: Glas Trösch Holding AG
Number: CHE-101.345.034

VAT ID number

CHE-116.268.158 MWST