Discover our attractive range of services

Thanks to our modern structures, constantly optimized processes and lean organization, we guarantee fair prices and punctual deliveries of the required quality.


We supply different sectors of the industry, the industry and other industries and have established ourselves as a competent and reliable contract manufacturer. Our industry is versatile and covers an above-average range of services. We flexibly process both simple and complex small and large series.

As a market-oriented and innovative supplier, we constantly adapt our infrastructure as well as our production and logistics processes to the needs of our customers.

IWB Industrietechnik GmbH is an owner-managed company with over 65 employees in Gotha.
Our focus is on the production of conveyor belts and conveyor solutions.
Furthermore, CNC-milled and turned parts are manufactured for different branches of industry.
The modern machine park includes 17 machining centers for parts up to 3000 mm in size. We are set up for both single part and series production.
Of course we are certified according to ISO 9000-2015

For over 40 years, the name Zielonka has been associated with metal cutting.



After being refounded in 2005, we have been producing at our new location in Wülfrath since January 2015 in ideal premises and an improved infrastructure.

On 750 m², we have modern machinery at our disposal, which we use not only to process tempered steels, structural steels and plastics, but also materials that are difficult to machine.



As a family company and recognized IHK training company, we not only offer you the highest level of quality and on-time delivery with dedicated employees, we also strive to constantly optimize our processes for the benefit of our customers.



By constantly modernizing and expanding our machinery, we also guarantee you maximum reliability and flexibility, which is also reflected in our direct and uncomplicated communication.

As a certified company, we offer you a comprehensive range of turning and milling operations. We manufacture individual parts, small and large series or complete assemblies according to your requirements. We are happy to advise you on new projects, including our many years of experience.

In our production, we have the most modern CNC machines with driven tools, which we use to process a wide range of workpieces, cast, welded and forged parts up to a diameter of 500 mm and 100 mm from the bar according to your drawings, 3D data or samples.

Our service portfolio also includes a wide range of surface treatments and finishes, such as zinc plating, chrome plating, hardening, nitriding, grinding, etc.

Together with regional partners, we offer complete processing - your effort is minimized!

Optimal Solutions

The customers of our customers wanted often customized technology solutions. Through our experience in machining and metal forming, we can respond quickly and flexibly to these wishes.


Related material, sophisticated processing methods ensure at the IZT the production of reliable products of excellent quality. We create the conditions to our customers in getting kürzerern development cycles can offer Qualifying Products wirtschaflich convincing.

Excerpt from power spectrum:

* Methods Planning
* Stepped tools
* Follow-on composite tools
* Elementary study concept
* Project planning and organization
* Simulation and design of production tooling
* Transfer Tools
* Preliminary study tool and mold production technology
* Tool Layout and tool production technology
* Provide resources technology to support their project


We are an innovative organization that is engaged in the following areas:
- Machining
- Tool
- Forming
- Welding Technology
- Assemblies

IZW is an independent company, formed in 2020 from the highly diversified Kurtz Ersa group of companies, which can proudly look back on a company history of over 235 years. We are constantly setting new standards and satisfying the requirements of our customers every day. The focus of production is the complete manufacture of machine components with the processes welding, milling, turning and surface treatment blasting, aluminising and painting.

Our customers are manufacturers of machinery and equipment from a wide range of industries in Germany and neighbouring countries in Europe.

Measuring gauges; encapsulation tools; special devices

- design department
- milling department
- assemble department
- measuring department
- Polyurethane competence centre

* measuring gauges and fixtures
* polyurethan encapsulation tools
* special devices (joining, glueing, positioning, covering, edge folding, aktivating ...)

Since 1942, when Gummi-Jäger, the parent company of Jäger Gummi und Kunststoff GmbH, was founded, application-oriented advisory service, material-oriented construction and system related development are the key for the Jäger Group’s success. Our competence and efficiency continuously raised according to the customers’ demands.

Our success is based on continuous product innovation, advice independent from the material as well as a friendly, competent service and zero-defect philosophy.

The family business in its third generation operates worldwide and is a qualified partner in the field of machine and plant engineering, agricultural industry, environmental and as well as in oil exploration. Over 800 employees are working towards this goal in more than 20 sites in Europe, the USA and China.