DE 
EN Success at Lightning Speed
For our customers as well as our company, the constant change and the necessity to optimize the processes, lower the costs and improve the quality mean that we have to search for new solutions. We believe in the future of screen printing - a technology that offers countless possibilities and advantages compared to the other printing procedures. And we are convinced that the key factor for your future success is "the perfect screen".
This involves two indispensable steps: CtS technology and automation.
For many years, we have been developing new technologies in order to offer you overall solutions for your screen making processes. We are looking forward to future challenges and are eager to implement many sophisticated and interesting projects together with you.
Andreas Ferndriger
Director SignTronic
Our products
NEW SignTronic CLEVER SCREEN CtS
The benefits of digital screen exposure with the implementation and support of SignTronic explained simply.
We are here for you
Do not hesitate to contact us. Our staff will be happy to take care of your wishes and concerns.
Head office
GRÜNIG-SIGNTRONIC AG
Rossrütistrasse 4
CH-9464 Rüthi SG
Switzerland
+41 71 727 19 00
Sales
Andreas Ferndriger
+41 71 727 19 01
Service
+41 71 727 19 02
Latest news
The world of screen printing is always turning and we are committed to it.
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Marabu France visiting Grünig-SignTronic
2025-12-02 Last week, we had the pleasure of welcoming Marabu France to both of our locations: Schwarzenburg and Rüthi. 👏In Schwarzenburg, the team experienced our capabilities in screen stretching, coating, washing and drying firsthand and gained insight into how we continue to improve and...
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Another step in our fusion journey:
2025-11-04 at our Rüthi site, the company sign is getting a fresh new look — SignTronic AG becomes Grünig-SignTronic AG ✨These visible updates may seem small, but they play an important role in bringing two companies together as one strong entity. Alongside all the administrative and technical...
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💚🩶 Two strong brands. One shared path.
2025-07-01 Grünig-Interscreen AG and SignTronic AG become Grünig-SignTronic AG.After more than ten years of successful partnership, Grünig-Interscreen AG and SignTronic AG are taking the next logical step:Retroactively as of January 1, 2025, we have merged – and from now on, we operate together...
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A PARTNERSHIP TO CREATE OPTIMUM SCREEN MAKING
Sandra Wörle, of Grünig/SignTronic, reports on the alliance of these two companies to provide efficiency, standardisation and automation in screen making for the screen-printing industry [Specialist Printing Worldwide - 2/2025] [Specialist Printing Worldwide China Edition - 2025]
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Screen Printing Is Key In Printed Electronic Technologies!
Printed electronics rely on high-precision screen printing, as demonstrated by the CeNTI SCREEN LAB, which utilizes SignTronic’s StencilMaster STM CtS technology. Combined with Grünig’s automation solutions, these systems enable precise and efficient stencil production—essential for advanced...
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🚀 New SPW Issue: Our Article on Print Precision!
In the latest edition of Specialist Printing Worldwide, SignTronic features an insightful article: "Print Precision and the Impact of the Printing Screen." We explore how precision in screen printing directly affects the performance and lifespan of the printing screen.Discover the vital...