Breu Diamantwerkzeug GmbH is an innovative, flexible, family-owned company with headquarters and one production site in Arbon (Swiss side of Lake Constance), a subsidiary in Indaiatuba near São Paulo (Brazil) and a branch in Germany.

Since 1994 we are specialized in the production and coating of high-quality electroplated diamond and CBN tools. Due to constant development of the technologies and the adaptation to the requirements of the market, we can today cover a wide range of industries and products.

Our advantages are customer-specific solutions and the accompanying high degree of flexibility.

Our national and international customers benefit from our experience of many years, our specific know – how and two production sites on two continents.

• 1994 Founding of the sole proprietorship RBD Diamantwerkzeuge
• 1996 Breu Diamantwerkzeug GmbH emerges from the sole proprietorship RBD Diamantwerkzeuge
• 2002 Start of production in the newly built factory in Arbon/TG, Switzerland
• 2006 Founding of Breu do Brasil Ltda.
• 2014 The company co-founder Rudolf Breu passes away unexpectedly
• 2015 Start of production in the newly built factory in Indaiatuba/SP, Brazil
• 2016/2017 building extension in Arbon/TG, Switzerland
• 2020 Foundation of Breu Deutschland GmbH