Exhibitions
glasstec 2026 in Düsseldorf
Grünig-SignTronic exhibits again at glasstec 2026 in Düsseldorf, 20 to 23 October 2026, booth G32-4. Meet our team and see our screen-making solutions.
Sandra Wörle
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News, Press & Exhibitions
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Company news, press releases and upcoming exhibition dates from the Swiss leader in screen-making automation.
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15 new coating machines to US marketBlogIn April 2020 Grünig-Interscreen AG shipped 15 coating machines to the US. Over 5,000 machines from Schwarzenburg have gone to more than 50 countries.- 2021 – a good year – in spite of everythingBlogChristmas greetings from the Grünig team after a good 2021, hoping to meet you at FESPA in Berlin, glasstec or Automotive Interiors in the new year.
50 years of Grünig-Interscreen AGBlogGrünig-Interscreen AG at 50: from a garage start in 1967 and the first automatic coating machine in 1979 to today's stretching, coating and washing ranges.
A container full of green!BlogA container to the UK carries a G-COAT 414 coating machine, G-DRY 551 and G-DRY 571 drying cabinets and two G-WASH 102 manual washout booths.
A partnership for optimum screen-makingPress releaseArticle in Specialist Printing Worldwide 2/2025: Sandra Wörle on how the Grünig and SignTronic alliance standardises and automates screen-making.- Advancing with automationPress releaseArticle in Specialist Printing 2/2020: David Zamith on automation in digital CtS stencil making and on positioning screen printing for Industry 4.0.
- Annual Review 2019Press releaseArticle in the Glass Worldwide Annual Review 2019: Andreas Ferndriger presents new equipment from Grünig-Interscreen and SignTronic for glass printing.
Another step in our fusion journeyBlogAt our Rüthi site the company sign changes from SignTronic AG to Grünig-SignTronic AG, a visible step in bringing the two companies together as one.- Art for AthletesPress releaseArticle in Specialist Printing 2/2022: why Fischer Sports chose SignTronic and Grünig screen-making with partner Putz Drucktechnik for its ski designs.
- Automation in screen cleaningPress releaseArticle in Glass Worldwide 67/2016 on automation in screen cleaning: why a perfect screen solves many problems in decorative and functional printing.
- Bigger, higher, wider!Press releaseArticle in Glass Worldwide 43/2012: Andreas Ferndriger on the world's largest serigraphy screen, now in production at a German screen service provider.
- Building a hot businessPress releaseArticle in Specialist Printing 2/2017: Swedish screen printer Hot Screen on its growth story and its plan to invest in five new Sakurai machines.
Busy production at SignTronicBlogFive units in production: STM-TEX, STM-MICRO, STM-ONE, STM-1010 with 3040 dpi and STM-XS, for labels, ceramic decals and tubes, on the modular CtS concept.
Christmas vibes, no stress: an STM-TEX heads to ItalyBlogA new STM-TEX with our latest UV light source LED_Q4 is on its way to a customer in Italy, shipped just before Christmas without rush or stress.
CLEVER CLIP – CtS Edition 2023AnnouncementsThe second Clever Screen clip, made with Cleverclip, explains the CtS process in technical detail and shows the advantages of digital screen-making.- Clever Screen VideoAnnouncementsOur Clever Screen video explains, clearly and with humour, the core message of both companies: simplify screen-making with CtS technology and automation.
- Combined focus on screen printingPress releaseArticle in Specialist Printing 2/2014: after acquiring 100% of SignTronic AG, Grünig-Interscreen focuses both businesses on solutions for screen printers.
- CtS Direct ExposurePress releaseArticle in Specialist Printing 4/2021: Stefan Rothenbach on myths about CtS productivity and how light sources and direct emulsions affect the process.
Customized solutions for everyoneBlogDust-free drying of freshly coated screens is crucial. The G-DRY 572 with trolley shows how we find the right solution for every screen-making plant.
Discover the new G-DRY 571 from GrünigAnnouncementsThe modular G-DRY 571 dryer takes screen heights from 1600 to 2400 mm and lengths up to 3000 mm, with air-circulation heating adjustable up to 45 °C.- Does a higher resolution of image create better results?Press releaseArticle in Specialist Printing Worldwide 4/2023: Sandra Woerle shows that lower image resolutions achieve perfect results with the right mesh and emulsion.
- Driving forward European technological leadershipPress releaseArticle in Specialist Printing 3/2014: David Zamith and Andreas Ferndriger on CtS and in-line automation at Portuguese textile supplier Heliotextil.
DRUPA Day 1 – The Wait is Over!Blogdrupa opens in Düsseldorf after eight years: we present the STM-TEC_XS, our smallest modular in-line CtS exposure unit with 3040 dpi, at booth E64, hall 3.- Expertise in screen makingPress releaseArticle in Glass Worldwide 18/2017: Andreas Ferndriger on 50 years of Grünig-Interscreen, founded in 1967, and its partnership with SignTronic since 2011.
FESPA 2022 Berlin - a successful exhibition!BlogReview of FESPA 2022 in Berlin, our first exhibition under normal conditions: many visitors and talks, and proof that screen printing is very much alive.- Five decades of screen preparation specialisationPress releaseArticle in Specialist Printing 2/2017: Hans-Ulrich Grünig founded the business in 1967, and 50 years on Grünig-Interscreen serves customers worldwide.
- Five decades of screen preparation specialisation – Glass Worldwide 73/2017Press releaseArticle in Glass Worldwide 73/2017 on 50 years of Grünig-Interscreen AG as a supplier of screen preparation technology: its history and present activities.
- Frame process automation I 4.0Press releaseArticle in Intergráficas 209/2019, with English translation: why the right frame and optimised tensioning are crucial for the best print results.
Fully loaded truck on the move: G-WASH 175XS for ItalyBlogA new G-WASH 175XS In-Line developing system leaves our halls on a fully loaded truck bound for Italy, where our team will carry out the installation.
G-COAT 415 A10 successfully put into operationBlogPartner Simon GmbH installed a G-COAT 415 A10 for frames up to 3000 mm high and 1600 mm wide, with pneumatic clamping and G-COAT 401 coating troughs.
G-GATEWAY at drupa 2024AnnouncementsAt drupa 2024 we show the G-COAT 414 and the G-GATEWAY, the central link between machine, data acquisition, process control and visualisation.
G-PREP 370 - Say goodbye to residue on screens!AnnouncementsThe automatic G-PREP 370 cleans frame profiles and filtration screens with high-pressure water up to 1500 bar and removes adhesive residues without wear.
G-WASH 112 successfully put into operationBlogPartner Simon GmbH installed a G-WASH 112 decoating machine with degreaser and a G-WASH 034 inclined filter that allows up to 90% recirculated water.
glasstec 2024 in DüsseldorfBlogDay three of glasstec 2024 in Düsseldorf: visit us at booth 12D45 to see our screen-making expertise and how we can help you improve your process.
glasstec 2026 in DüsseldorfExhibitionsGrünig-SignTronic exhibits again at glasstec 2026 in Düsseldorf, 20 to 23 October 2026, booth G32-4. Meet our team and see our screen-making solutions.- Grünig celebrates half a centuryPress releaseFespa Daily 2017 reports on Grünig's 50th anniversary at FESPA, celebrated with founder Hans-Ulrich Grünig, and a new CtS machine from SignTronic.
Grünig goes "green"BlogGrünig invested €285,000 in a 900 m² photovoltaic system with 190 kWp at its Schwarzenburg headquarters, covering its own daily electricity needs.- Grünig presents G-PROOF 390Press releaseArticle in Screen Print India 6/2021: the G-PROOF 390 for checking, measuring, logging and packaging finished screens to meet QA and ISO requirements.
- Grünig presents the all new G-COAT 414Press releaseArticle in Screen Print India 7/2021: the G-COAT 414 for screens up to 2000 x 2000 mm, with touch-screen terminal, Industry 4.0 and OPC-UA data exchange.
- Grünig reinforces their international sales teamBlogFrom 1 September 2018 Martin Benfeldt Schroeder, a trained screen printer with over 25 years of experience, joins Grünig as Sales Manager North America.
Grünig-Interscreen & SignTronic Skiing day 2024BlogGrünig-Interscreen and SignTronic held their joint ski day 2024 at Titlis in Engelberg with Marabu Scandinavia, ending with dinner in a wine cellar.
Grünig-Interscreen wishes you a happy and successful 2024BlogNew Year greetings from Grünig-Interscreen AG for 2024: our entire team wishes you a happy, healthy and successful start into the new year.
Grünig-SignTronic featured in the latest IntergráficasPress releaseArticle in Intergráficas 224: partner Ruy de Lacerda on the Grünig and SignTronic merger and on integrated CtS and automation for screen production.- High-tech from Swiss countryside to the global marketPress releaseArticle in Glass Worldwide 21/2020: Grünig near Niesen and SignTronic near Säntis supply high-tech products to over 40 countries from small villages.
- Highlighting prosperity for the Portuguese textile industryPress releaseArticle in Specialist Printing 3/2016: Portuguese textile exports grew over 38% from 2009 and reached €4.83 billion in 2015, helped by automation.
Is it a problem if we have different screen sizes?BlogDifferent screen sizes are no problem: a custom masterframe, here built for a customer in Poland, lets several small frames be exposed in one process.- Keeping currentPress releaseArticle in Specialist Printing 2/2018: Andreas Ferndriger argues that screen printing has no future without up-to-date CtS technology.
Labelexpo 2013BlogAt Labelexpo Europe 2013 in Brussels, 24–27 September, we show the G-WASH 150 in-line washing system for rotary cylinders with Nanovis at booth 11S15.
Live-Video demonstrationsBlogWith trade fairs cancelled by COVID-19, the new G-WASH 174 XS-DUO stands in our Schwarzenburg showroom for live video demonstrations via Microsoft Teams.
Look at this sharpnessBlogUlano QTX on steel mesh, exposed with the LED_Q4 Gen. 6 light source at HR2 resolution: 2400 dpi and a pixel size of 10.583 µm directly on the mesh.
LOPEC 2027 in MunichExhibitionsGrünig-SignTronic exhibits at LOPEC 2027, Messe München, from 2 to 4 March 2027. Meet our team and see our solutions for screen printing production.
Marabu France visiting Grünig-SignTronicBlogMarabu France visited both our sites: Schwarzenburg for screen stretching, coating, washing and drying, and Rüthi for digital screen-making.- Marking 50 memorable yearsPress releaseArticle in Screen Print India 3/2017: Grünig-Interscreen marks 50 years, from a mechanical one-man operation to a high-tech screen preparation specialist.
Mastering the Art of Screen Printing – For Your Perfect Results!BlogYoung colleagues and the SignTronic team took the screen printing course at Sefar in Thal: mesh selection, stretching, coating, CtS exposure, decoating.
MEKASCREEN in Belgium goes for THE PERFECT SCREEN!BlogOur technicians commissioned an STM-4120 StencilMaster with LED_Q4 at Mekascreen in Belgium, exposing screens up to 2200 mm high and 4600 mm wide.
New contacts in customer service and internal salesBlogBruno Hostettler leaves in January 2015. Franziska Schärer heads after-sales and installations, Simon Schnidrig handles spare part and trough orders.- New era for screen printingPress releaseArticle in Specialist Printing 1/2018: David Forrester Zamith on how CtS technology gave ceramic decals a new life, and on the long history of ceramics.
- New innovative models for screen makingBlogTwo new models automate screen-making: the table-top G-COAT 406 PLUG & COAT for frames up to 700 x 1000 mm and the G-WASH 106 PLUG & WASH developer.
New installation of an STM-TEX_PRO-10 in SwedenBlogSweProd Graphics AB in Sweden now runs a PRO-10 in-line developing system connected to an STM-TEX CtS unit, installed with partner Marabu Scandinavia.- New SPW Issue: Our Article on Print Precision!Press releaseArticle in Specialist Printing Worldwide 4/2024: SignTronic on print precision and how it affects the performance and lifespan of the printing screen.
One home for the perfect screen: our new website is liveAnnouncementsOur websites grunig.ch and signtronic.com are now one: www.grunig-signtronic.com, with the screen-making process, product search, technology, industries.- One step aheadPress releaseArticle in Specialist Printing 2/2021: David Forrester Zamith on how screen printing in Portugal adapted to the Covid-19 pandemic and must keep evolving.
Out with the Old – In with the New Technology!BlogMister Transfer in Belgium replaced its STM-TEX_L after 11 years of service with the latest generation, featuring the LED_Q4 light source for CtS exposure.
Out with the old, in with the new!BlogAfter 18 years in operation, a StencilMaster STM-1621 installed in 2006 is replaced by a Generation 4 STM-1620 with the LED_Q4 light source.- Preparing the perfect screenPress releaseArticle in Specialist Printing 2/2018: Andreas Ferndriger on how Grünig, 50 years old in 2017, built a portfolio for every process in screen preparation.
- Prepress – a key factor in the screen-printing industryPress releaseArticle in Specialist Printing Worldwide 2/2024: David Forrester Zamith of Ruy de Lacerda on prepress automation and buying a G-STRETCH 270 UV BOND LED.
- Printing technology sets itself apartPress releaseArticle in Glass Worldwide 17/2016, also in Specialist Printing China Edition: how screen printing has changed enough to gain an edge over other processes.
Printing United Expo in Las Vegas: less than a week to goBlogMeet Grünig-Interscreen, SignTronic and US partner NBC Meshtec Americas at joint booth SL10022 at Printing United Expo in Las Vegas, with free admission.
Proven and reliable: STM-1010 and STM-4120 ready to goBlogTwo newly built D-Series machines with LED_Q4: a compact STM-1010 for Portugal and an STM-4120, over 5 m long and 3.5 m tall, for Belgium.
Razor-sharp CtS exposure for 9-mesh coated with 300 µmBlogCtS direct exposure on a 9 mesh coated with 300 µm: StencilMaster technology reproduces fine details with high precision even on very coarse meshes.
Reading between the threadsBlogMicroscope image of a stencil exposed at 1609 dpi with the HR1 option and a well adjusted UV light source, using PolyPlus S on the right mesh.- Ruy de Lacerda 25th Screen Printing Technical SeminarPress releaseReport on the 25th Screen Printing Technical Seminar of Ruy de Lacerda and the opportunities screen printing offers in the glass printing sector.
- Screen printing – better than everPress releaseArticle in Glass Worldwide 16/2015 and Specialist Printing 2/2015: Andreas Ferndriger on screen printing and the limits set by processes not yet optimised.
- Screen printing – better than ever - China EditionPress releaseArticle in Specialist Printing China Edition 2017: Andreas Ferndriger on screen manufacture as the weak point that decides print quality, output and cost.
- Screen Printing Is Key In Printed Electronic Technologies!Press releaseArticle in Specialist Printing Worldwide 1/2025: the CeNTI screen lab uses StencilMaster STM CtS technology and Grünig automation for printed electronics.
- Seeing the lightPress releaseArticle in Specialist Printing 1/2021: Andreas Ferndriger makes the case for CtS exposure and presents a flexible LED concept for up to four wavelengths.
- Setting standard in screen makingPress releaseArticle in Glass Worldwide 17/2016 on how screen printing limits itself without process optimisation, current technology and automated screen-making.
- SignTronic adds Douthitt as distribution partnerPress releaseArticle in Specialist Printing 1/2015: SignTronic partners with Douthitt Corporation of Detroit to offer its screen imaging technology in North America.
SignTronic Christmas party 2023BlogThe SignTronic Christmas party 2023, with retired staff invited, was a cheese-making workshop at the Appenzeller Folklore Museum in Stein AR.
SignTronic is now part of Swissmem!BlogSince January 2025 SignTronic AG, a specialist in digital screen exposure, has been a member of Swissmem, the association of the Swiss tech industry.
SignTronic Summer Event 2024BlogAt the SignTronic Summer Event 2024 almost the entire team tried its hand at archery, followed by an evening of good food and wine together.- Simplifying screen printing on glass surfacesPress releaseArticle in Glass Worldwide, March/April 2023: Sandra Woerle explains why a screen-printed glass product is only as good as the screen-making before it.
SPI 2027 in EssenExhibitionsGrünig-SignTronic at SPI 2027, the Screen Print Innovations show in Essen, from 15 to 17 June 2027. Visit us at booth A1-1 to discuss your screens.
STAG-enzellerBlogSignTronic builds its CtS direct exposure technology 100% in Switzerland and exports over 95%. This time the team also made its own Appenzeller cheese.- Start to finish professionalism for perfect screensPress releaseArticle in Glass Worldwide, January/February 2022: final inspection and measurement logging of glass printing screens with Grünig's inspection machine.
STM-ONE Successfully InstalledBlogA new STM-ONE front-loading unit with 1270 dpi and LED_Q4 light source was installed in Genoa, Italy, while our sales team was at glasstec in Düsseldorf.
Stretching, coating, washing and a little bit moreBlogGrünig invests in a ZVH 45 5-axis gantry machining centre and launches Grünig Factory, offering production capacity to regional and international firms.- Swiss CtS technology innovationsPress releaseArticle in Glass Worldwide 56/2014: Andreas Ferndriger describes how SignTronic has extended its product range for CtS direct exposure of screens.
Thank you for a successful Glasstec 2024!BlogThank you to everyone who visited our booth at glasstec 2024, where we presented our solutions and modular concept under the motto Simplify Screen Making.
That's what THE PERFECT SCREEN Confidence looks like!BlogOur technicians set up a complete ScreenLab at Barbosa Esteves & Goncalves in Portugal with a G-STRETCH 215A and an STM-TEX_PRO-10_L CtS in-line solution.
The DPI mythPress releaseTechnical reality check on the DPI race: why optical discipline, autofocus, LED_Q4 light and homogeneous coating matter more than values beyond 10,000 dpi.
The new generation of our G-WASH machines is here!AnnouncementsNew G-WASH 104, 106 and 112 generation: screen heights up to 1500 mm, angled filter, G-GATEWAY for Industry 4.0 and two high-pressure pumps on the 112.- The perfect screenPress releaseArticle in Glass Worldwide 10/2018: Andreas Ferndriger on new Grünig-Interscreen and SignTronic equipment and the potential of screen printing on glass.
- The perfect screen (China Edition)Press releaseArticle in Specialist Printing China Edition 2019, in English and Chinese: Andreas Ferndriger presents new Grünig-Interscreen and SignTronic equipment.
- The textile fashion renaissance in PortugalPress releaseArticle in Specialist Printing 1/2015: David Forrester Zamith on the growth of Computer-to-Screen in textiles and Portugal as a key textile producer.
- Trend SpotterPress releaseArticle in Specialist Printing 2/2019: how CtS technology and automation helped a Portuguese company meet growing demands in textile fashion printing.
Two Companies - One X-Mas PartyBlogThe Grünig and SignTronic teams celebrated Christmas together in Rüthi in the Rhine Valley, looking back on the year and a decade of close collaboration.- Two companies – one visionPress releaseArticle in Specialist Printing Worldwide 2/2023: Sandra Wörle of Grünig and SignTronic on why automation and standardisation simplify screen printing.
Two strong brands, one shared pathAnnouncementsGrünig-Interscreen AG and SignTronic AG merged retroactively as of 1 January 2025 to form Grünig-SignTronic AG. Contacts, support and both sites remain.- Upgrading to automation for standardised screensPress releaseArticle in Glass Worldwide 23/2022: how SignTronic and Grünig screen-making equipment helped glassware maker Glaswerke Haller modernise its operation.
Upsizing? That's old news!BlogThe STM-TEC_XS is our smallest modular in-line unit: derived from the STM-TEX, with side loading by conveyor, a closed front and a viewing window.
Visit from Portugal at our LABBlogPortuguese visitors, with Ruy de Lacerda and Sefar, saw StencilMaster units, coating and in-line developing with CtS direct exposure in our Rüthi lab.- We are screen printingPress releaseArticle in Intergráficas 194/2016, with English translation: Computer-to-Screen and the case for screen printing and exports in the Portuguese economy.
We deliver what we promise!BlogMicroscope image from the electronics sector: 32-70Y mesh with EOM 55 µm, exposed with the LED_Q4 UV light source and HR2 option at 2400 dpi on the screen.
We stand for screen printing – we wear screen printingBlogOur customer Hot Screen in Sweden applied the logos to the new SignTronic and Grünig-Interscreen company shirts with screen-printed flex heat transfers.- Welcome to the new graphic industrial revolutionPress releaseArticle in Intergráficas 185/2015, with English translation: impressions from FESPA 2015 in Cologne on how analogue and digital technologies converge.
Work-life balance at SignTronicBlogAlmost the entire SignTronic team played an outdoor escape game across St. Gallen in four groups, followed by an aperitif and a dinner together.
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Exhibition updates
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