Arenz GmbH Produkte

About us

Your partner in the plastics processing industry

Arenz GmbH stands for Made in Germany and has done for more than 40 years!

We manufacture screws, cylinders and non-return valves for the extrusion and injection moulding market using the most modern CNC controlled processing machinery. We have a vertical range of manufacture of almost 100%.

To ensure top quality in screws and cylinders Arenz develops and optimises its own protective alloys and technologies for maximum wear protecion against abrasion, adhesion and corrosion.


Due to our many years of experience, Arenz has extensive knowledge about the manufacturing process, plastics (with the addition of e.g. fibre glass, pigments, filler materials and flame protection), material combinations (screw/cylinder) and special coatings (e.g. nickel, hard chrome or PVD coatings).

DFurthermore we advise our customers on the design of screw geometries using our software that has been specially developed for the extrusion and injection moulding market

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