GMH Gruppe is a leading supplier of high-grade mandrel bars. Our mandrel bars form hot-rolled, seamless tubes and pipes, components indispensible in sectors such as energy and automotive.

Our piston and connecting rods are used wherever heavy loads have to be moved – as components in the hydraulic cylinders of, for example, large earthmoving, agricultural and goods vehicles, in floor-mounted handling equipment, and in mechanical and plant engineering in general.

We at GMG Gruppe provide our customers with perfect solutions in iron and steel casting – from the patterns all the way down to shipment of the castings - for their entire value chains. With our know-how and expertise concentrated at two locations in Germany, we meet even the most complex and specific customer requirements.

Cut lengths (also known as short pieces) are needed whenever high-quality steel bar or bright steel is to be sawn precisely to the customer's dimensional specification. GMH Gruppe is the top address in this field, assuring ultra-tight tolerances and a broad range of grades.

Our experts have been producing and continuously further developing rotor retaining rings for more than a century - a store of experience that has made us the leader on the world market. By withstanding the enormous forces that occur in power generation, our rotor retaining rings serve as the guarantors of safety in turbo-generators.

Around the world, peeled bright steel supplied by GMH Gruppe forms the basis for high-tech components. At all our locations, our specialists work together on meeting our customers' requirements precisely – from high-quality feed material up to and including ready-to-use components.

We at GMG Gruppe provide our customers with perfect solutions in iron and steel casting – from the patterns all the way down to shipment of the castings - for their entire value chains. With our know-how and expertise concentrated at two locations in Germany, we meet even the most complex and specific customer requirements.

We produce seamless rolled rings, flanges and rail-vehicle tyres to the very highest standards. This expertise has made us the world-leading manufacturer of ring blanks for the animal feeds industry, wheel tyres for the rail industry and drill-pipe connectors for specialised underground engineering.

GMH Gruppe supplies closed-die forgings that move whole industries. In the form, for example, of weight-optimised ball rods for lightweighting in automotive engineering or of safety-critical exterior clamping levers for ski lifts and other cableways.

CNC components are distinguished by the ultra-high accuracy of their production. High-precision control technology enables us, particularly in the case of complex geometries, to produce work exactly to the customer's requirements – and with absolute accuracy of repetition.