Phone
+49 (0) 2104 1442-0
Stamped parts you can trust
Precision, quality, and on-time delivery – stamped and bent components made from steel and non-ferrous metals, crafted to meet your exact specifications.
Your idea. Our solution.
We design and manufacture precision-stamped and bent parts for demanding applications – tailored, efficiently produced, and reliably delivered.
With over 155 years of experience and cutting-edge high-performance machinery, we deliver technically and economically optimized solutions for your needs. Spread over more than 9,000 m² and supported by 110 dedicated employees, we produce around 700 million stamped parts each year, making us one of the most respected suppliers in the global industry.
What sets us apart: • Material thicknesses from 0.03 to 6.00 mm • Steel strips and non-ferrous metals • Press forces up to 3,000 kN • High-volume production with consistently uncompromising quality • Series production with optional assembly of components
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Everything from a single source
Your project in expert hands. Turning an idea into a market-ready product requires more than just technology – it takes a partner who thinks ahead. From the first sketches to full-scale production, we support you with dedication, experience, and a genuine understanding of your requirements.
Whether it’s rapid prototypes or high-volume production, we’re there when it matters most. With streamlined processes, short communication paths, and a well-coordinated team, we ensure your project gains momentum – without delays, without compromise.
Rely on precision, planning security, and production that delivers on its promises, so you can focus on what truly counts: your success in the market. "We offer more than just parts – we deliver solutions." – Dominic Vieth, Project Management
Our commitment: Consulting & development: CAD-supported design, FEM analysis, prototype production
In-House toolmaking: fast implementation and modifications with the highest precision
Highly automated production: state-of-the-art stamping machines (Bruderer, Amada, Yamada …)
Assembly & post-processing: heat treatment, degreasing, threading, quenching
Logistics & quality assurance: 100% inspection, visual checks, IATF & ISO certification "This is how we create your stamped part – safe, efficient, and at the highest level."
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Your advantages with EK
Why EK is the better choice:
Short paths & fast decisions: Flat hierarchies and direct communication Reliability & quality: TÜV-certified according to IATF 16949 & ISO 14001 Extensive industry knowledge: Automotive, electrical, fastening technology, solar, and more Sustainable & innovative: Use of recyclable materials and energy-efficient processes Long‒standing partnerships: Trust built on consistency – since 1867
Industries & applications
Our stamped parts are used wherever precision matters, for example in:
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high-performance automatic machines
18
employees
100+
parts per year
>700 Mio.
toolmaking
in house
controlled & documented
100 % quality
Quality-assured processes
ISO 14001
IATF 16949
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Customer case studies
Wherever high-quality stamped and plastic products are needed, EK is your development partner and solutions provider. With intelligent system solutions and custom-made components, we support our customers from product concept and new development through to quality-approved series production and assembly. We reliably solve your challenges, too.
Universal clamp for photovoltaic mounting
Challenge
Our customer used a mounting system to secure PV panels, requiring separate middle and end clamps for each connection. The use of two different clamps increased effort and made small‒part management more complex.
Solution
We developed a universal clamp suitable for all framed module types. By rotating the clamp head 90°, it can be used as either a middle or an end clamp. Its adjustable height makes it compatible with different frame sizes. Additionally, it is highly assembly‒friendly: simply “click” it into place, slide it as needed, and it locks securely when the screw is tightened.
Result
Our universal clamp revolutionizes PV panel assembly. Its versatility as both a middle and end clamp, combined with adjustable height, simplifies installation and significantly reduces small‒part management, saving time, effort, and ultimately costs for users – both in planning and assembly.
Challenge
Our customer faced recurring issues during the assembly of shock absorber spring washers: the smaller upper washer often slipped during installation because its larger inner diameter prevented precise alignment with the lower washer. This led to assembly errors, increased rework, and an overall unstable process.
Solution
In close collaboration with the customer, we developed a new process: using a dual‒lane rotary welding system with six stations and precise laser measurement, the two washers are now perfectly aligned and spot‒welded by a computer‒controlled welding robot. Production is fully automated at a welding frequency of 10,000 Hz, integrated with our CAQ and BDE systems. Color‒coding of the washers also allows for unambiguous type identification during the process.
Result
The new welded assembly ensures a permanent, concentric connection between the washers – no slipping, no readjustment. For the customer, this means significantly reduced error rates, stable assembly processes, full traceability, and maximum efficiency in series production.
Shock absorber washers / automotive industry
Balustrade clamp – For securing glass balustrades
Challenge
Our customer used various clamps to secure glass balustrades, depending on the glass thickness. This increased complexity in small‒part management and project planning, as employees always had to ensure the correct clamp was used.
Solution
We developed a new balustrade clamp with an internal mechanism, allowing flexible adjustment for all relevant glass thicknesses. No individual part assembly is required. Thanks to the innovative adjustment technology, there is no risk of tilting, as can occur with conventional glass clamps. Additionally, our clamp provides maximum safety by preventing the glass unit from slipping, for example, due to temperature fluctuations.
Result
Together with us, our customer launched the first adjustable clamp system on the market – not only cost‒effective but also highly efficient. Its versatility in adapting to all relevant glass thicknesses and post connections simplifies storage and consultation significantly. With top quality, easy installation, and elegant design, we are setting new industry standards, helping end customers save time and effort while relying on a premium product.
Challenge
In insulating glass production, the ends of spacer bars at the joint can sometimes allow desiccant to escape during processing. Because the ends of the spacer profiles are not always perfectly cut, the straight connector must provide sufficient sealing at the joint.
Solution
We developed an innovative plastic bridge integrated into the steel straight connector, combining the outstanding properties of both materials. This synergy ensures optimal and secure sealing of the profile back using the pipe‒in‒pipe principle. Our solution compensates for tolerances in spacer bar cuts, improves efficiency when filling frames with desiccant, provides comprehensive sealing at the joints, and reinforces overall stability – a crucial advantage, especially for large insulating glass units.
Result
Our solution compensates for spacer bar cut tolerances, ensures efficient desiccant filling, seals the joint completely, and increases stability (particularly in very large insulating glass units). This guarantees a safe and smooth production process, minimizing downtime and costly complaints. Our product is the market‒leading solution.
EK Connect hybrid straight connector (Steel connector with plastic bridge)
"With EK, we have a partner who thinks ahead, co-develops, and delivers reliably – from the first prototype to full-scale production."
— customer testimonial
Our location in Haan
We stand for “made in Germany.” At our site in the Technology Park Haan in NRW, we have created the ideal production facility, designed entirely around optimal material flow. Naturally, we are equipped with the most modern machinery, high-quality equipment, and a motivated team.
Dominic Vieth
Technical Sales/Project Management
Phone
+49 2104 1442-0
E-Mail
inquiry@kronenberg-eduard.de
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Start your project now
Do you have an idea or specific requirements? Our experienced team is always ready to assist with any questions or requests. Don’t hesitate to get in touch – we’re here to support you in bringing your projects to life. Speak directly with our expert, Dominic Vieth, who will guide you from development through to series production.
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+49 2104 1442-0 inquiry@kronenberg-eduard.de