For over 17 years the company GMTI, Golz Mould & Tools International UG, reliable producer of high-quality molds and dies for metal, plastic and rubber products for the

Automotive industry and vehicle

- Aluminum and zinc die cast parts such as axles, housing

- Plastic parts such as bumpers, valves, headlight covers, manifolds,
2-component parts, etc.

Lighting industry and electrical industry

- Plastic parts such as sockets, switches and other lighting equipment

Air and space industry and military technology

- Aluminum, zinc die casting and plastic parts for high-precision requirements

Medical

- Custom-made of aluminum, zinc die casting and plastic for high-precision
Requirements

Furniture industry

- Aluminum, zinc die casting and plastic parts such as handles, hinges, rollers, buttons, etc.

Air + cooling technology

- Rubber and silicone parts, seals etc.

Machine Tools

- Tools according to drawing


We manufacture molds and tools for small - and large-scale production, as well as
Prototypes

The dimensions of the parts amount to 1 mm - 3,000 mm

It can be processed part weights up to 20 kg.


GMTI is an international company with manufacturing facilities in Eastern Europe (especially Poland) and Asia.

Together with our cooperation company, we have a large number of experienced staff, from the designer to the machine operator.

Through expert advice, a quality range of precision tools and on-time delivery, fr significant advantages to our customers.

Optimal solutions for mold making, model making, prototypes, pre-production, production, assembly

The Grunewald group of companies with offices in Grunewald (headquarters), Grunewald Tools & shapes, Grunewald cast and Grunewald & Partner Rapid Prototyping in Bocholt (D), Grunewald Tooling in Irxleben (D), Grunewald Stade (D) and Grunewald New Technologies GNT (USA ) forms a strategic alliance for toolmaking, mold and model making and the development, design and production of metal components, plastic components and fiber composite parts from the design, through prototyping and pre-production through to the methods of mass production.
Based on our extensive CAD capabilities, we offer the full range of modern techniques for the production of equipment and products. The efficient use of our diverse possibilities with a nearly 100% vertical integration offers compelling advantages in terms of reducing costs and time associated with a very high quality standard.
This results in a high level of satisfaction among our customers. 190 qualified engineers, skilled workers, students and trainees represent the future of our company safe.
CAD / CAE, Engineering
• 3D part design and construction based on the leading CAD / CAM products
• 3D CAD tool and fixture design
• CAE simulation of mold filling and solidification, residual stress, shrinkage and warpage
• FEM calculation
Toolmaking Automotive and Vehicle
• Form, laminating and punching tools for vehicle interior trim
• Teppichverformwerkzeuge
• foam molds
• Umbugwerkzeuge
• Die casting tools
• injection molding tools
• equipment and systems
Tooling aviation
• Lay-up tools for the production of composite parts
• RTM tools
• curing and cutting tools
• equipment and systems
Cast Products
• Model Facilities
• Laser - Sintering
• QMC Rapid Prototyping G

Thermoforming, thermoforming, vacuum forming, vacuum coating, Plattentiefzug, Rollentiefzug, forming, plastic thermoforming, rotation, rotational molding, rotational molding, rotational forming, Rotoationsgiessen, rotational molding, finishing, plastic finishing, CNC milling, 5-axis machine, mold, mold for thermoforming tools, thermoforming tools, Tools aluminum. Plastic tanks, packaging, trays, plastic trays, covers, trays, plastic tubs, food industry, machinery industry, twin-sheet method, twin sheets, blister, plastic packaging, PET blister, ESD material, ESD trays, ESD blister.

GTK-Prototype UG was founded in 2014 by Tobias Günther and initially dealt with rapid prototyping machines.

Over the years, CNC milling and turning as well as assembly and development work were added due to customer requirements.

GTK-Prototype develops and designs on behalf of customers as well as internally using the most modern CAD systems such as Solid Works, Autodesk Inventor, Fusion 360 and others and inserts them into a comprehensive CAM system.
Through the production of prototypes in medical technology, mechanical engineering and the automotive sector, GTK-Prototype was able to acquire extensive experience in manufacturing.

In 2018, the production option laser cutting was added.

GTK-Prototype is currently based in Neuhausen near Tuttlingen and will move to the newly built company location in Radolfzell in the course of 2022.

We manufacture according to drawing individual parts, small series and large series from all machinable materials.

Also available with milling, hardening, grinding and surface finishing (Blacking, Phosphating, anodizing, etc.) by our strong cooperation partners.

A selection of our specialties:

Aircraft steel
high-strength steels
Hard turning
Sintered materials
Non-ferrous metals: aluminum, copper and brass
Plastic
Eccentric turning

Workpieces

In feed: up to 200 mm in diameter and up to 30kg
From bars: 2 mm to 65 mm diameter
Machining length: up to 400 mm

Machinery

20 CNC lathes in a DNC network interconnection
Up to 24 driven tools
C-axis
Y-axis
B-axis

GWL is a medium-sized 3D printing service provider that, in addition to the industrial production of prototypes or series, also takes on the development or 3D printing optimization of your projects.

About us
With our industry expertise, we can help you successfully and promptly implement your production project for mechanical components, assemblies, and housings for small to medium-sized series.

For more than 20 years, we have been experts in die casting, injection molding, and other mechanical processes. Our focus is on cross-process thinking.

In Germany, Europe and Asia (in-house certified production) we manufacture your mechanical components, assemblies or housings.

Our manufacturing services include:

Engineering: Technology consulting (wide range of materials and manufacturing processes); CAD evaluation, construction & development

Prototyping (close to series production; 1,-3,000 pieces) for die casting, injection molding, precision casting, sand casting, PA casting, vacuum casting, CNC milling, SLS & SLY

Series production for batch sizes of up to 25,000 units

Metal: aluminum die casting, zinc die casting, deep drawing, gravity die casting, sand casting
Plastics: injection molding, thermoforming, extrusion
Our Services:

Project-related surface finish
Coordination of the entire production project
Advice along the value chain
Assembly service, measurement reports
International logistics service

Hama sets standards.
• Europe's leading supplier of electronics accessories with a unique breadth and depth of range
• around 18,000 items, from wall mounts, headphones, laptop bags and smartphone accessories to radios, fitness trackers and smart home solutions
• 3,000 new products every year by adapting the ranges to technological developments and new hardware
• in peak times, up to 10,000 packages are shipped daily (= 3,500 orders = 500,000 items)

Some of the products are automatically packed in Germany. A tool and fixture construction is integrated in the packaging area for the manufacture of the production tools. The machine park consists of a 5 acres processing center and a panel processing center.

The company manufactures hanf and erdmann for 20 years precision turned and milled parts.
Most modern programming and production technology to high-quality equipment, with its own delivery service.
Volume production and prototypes, also Kleinsereien.

Harald Berfelde GmbH

Since more than 100 years, the Harald Berfelde GmbH produces technical plastic parts of all common thermoplastics with single or multi-component injection molding.

Our portfolio contains:
High-level tooling – from Design to volume production
Research + Development
Design, Simulation of products
Development, prototyping
Injection molding production
Assembly + logistics
Project management, interface to the customer