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.

Production of turned and milled parts according to drawings, data sets or sketches.

Our company was founded in 2001 and specializes in manufacturing of structural parts made from steel and non-ferrous metals.

Our clients include engineering companies from the Czech Republic and EU countries.

We focus primarily on small series production with lot sizes in the range 1-100 pieces.

Our modern machinery enables the complete machining of demanding milling and turning parts.

Metal fabrication - CNC turning, CNC milling, grinding, galvanizing, Brunieren, powder coating. Maximum dimensions 1000x1000x1000 up. Small flexible company working for the best prices.

In the "middle" of Europe, we manufacture for 30 years machine parts.

Since 2001, we develop and build machines Drahtvorziehmaschinen, straighteners, reels, Warmvorziehmaschinen and Drahtanspitzmaschinen with a focus on the Kaltumformindustrie.

In the machine parts manufacturing rolls for the paper industry and hygiene industry, copper parts for the converter and transformer, as well as, among others Lanzenarmierungen waves produced.

From the wire coil to the forming machine

We are wide awake to the problems of our customers and offer customized solutions from a single part up to the individual machine.

A guiding principle of the major industrial potter Josiah Wedgwood (1730-1795) gives us the desired dynamics:

"I saw that the field was wide and the soil fertile enough to promise anyone who would take it upon themselves to edit them conscientiously, rich reward."

We are looking for new challenges and customers to whom we would like to offer our broad experience and performance at the highest quality level.

On modern CNC lathes and CNC milling machines / machining centers we manufacture complete finished parts or contract work in small, medium and large series.

JDL TECHNOLOGY SRL, is a Vicenza-based company specialized in the production of precision milled small metal parts for industries in various sectors: fashion accessories, automation, electronics-electrical engineering, plastic materials, pneumatics-hydraulics and many other sectors.
JDL TECHNOLOGY SRL is able to guarantee quality and reliability in production thanks to the skills handed down and acquired by past generations. The technicians, all highly specialized, provide their experience to be able to professionally produce products with high quality standards.
JDL TECHNOLOGY SRL, thanks to the use of modern technologies, has the ability to produce high-precision items made on 4-axis CNC machining centers.