Quality is an important parameter for TRESU Group. All working processes are audited according to ISO:9001:2008, ISO:14001:2004 and DNV, ensuring constant high product quality.

Our products can also be supplied in compliance with UL 508A, GS and CSA approvals – all to guarantee TRESU’s validity worldwide. We also hold the Umbrella certificate, OEE. 

TRESU Group is capable of gathering relevant documentation according to the customer’s own quality and environmental standards.


Furthermore, we continue to focus on incorporating environmental concerns in the manufacturing process of our products to the benefit of our employees, the environment and our descendants. TRESU Group’s environmental policy and goals, which is an integral part of our company, is constantly reviewed and improved.

TRESU has obtained a diploma for an extraordinary environmental effort from the organisation Green Network, and is also  certified according to Norsk Veritas.

14-16, Eegsvej - DK-6091 Bjert - Denmark - Tel: +45 76 32 35 00

Mail: tresu@tresu.com - www.tresu.com

Headquarters / Service Department

14-16, Eegsvej - DK-6091 Bjert - Denmark 

Phone: +45 76 32 35 00

Fax: Unavailable

Service Ancillary: +45 70 33 36 00

Service Digital and Coating: +45 70 22 99 35

Email: tresu@tresu.com

Service: service@tresu.com

Spareparts: spareparts@tresu.com


Giftener Str. 9A

31157 Sarstedt


tel: +49 5066 9174286

Mail: aju@tresu.de

TRESU Italia s.r.l

Via delle Groane 27/b


Garbagnate Milanese (MI)


Tel: +39 02 96 59 202

Mail: tresu@tresu.it

TRESU Japan Co., Ltd.

8-1-32 Nanko Naka


Osaka, 559-0033


Tel: +81 (0) 6-4703-0601

Mail: sales@tresu.jp


Huashang Building, Room 613

No. 2 Yanjing Xili

Chaoyang District

100025 Bejing, China

Tel: +86 (0) 10 65911628

Mail: sales@tresu.cn

TRESU Americas


TRESU Royse, Inc.

8517 Directors Row

Dallas, TX 75247


Tel: +1 214 631 2844

Mail: tresu-americas@tresu.com

All rights reserved - Copyrights 2014 Ⓒ

Copyrights 2014 Ⓒ | | All rights reserved

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