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Technical enquiry

Douna Machinery

Your manufacturing partner for technical components, assemblies and machines

From engineering and production to assembly and delivery: Douna manages the agreed manufacturing process. You have one partner who helps plan the work and manufactures your product, with attention to measurement and quality control before delivery.

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Green machine during the machining of a metal workpiece
A metal workpiece is first machined on the green machine. Further machining and close-ups follow. The film ends with the formed workpieces. The film has no sound.

Our solutions

From manufacturing requirement to solution

A new component, an improvement to an existing machine or a production series: start with the result you need.

Precision components and custom manufacturing

You bring a drawing, a function or an existing component. Douna connects the technical development, any reproduction, production and inspection to the component you need.

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Repair, overhaul and remanufacturing

The existing component or machine remains the starting point. Douna assesses its condition and agrees what will be repaired, replaced or improved for the intended use.

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Assembly and machine building

From components to a working assembly, tool or machine. Douna aligns the technical development, production, assembly and inspection with the function you need.

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Series production

You need a manageable process for recurring manufacturing work. Douna aligns the execution, inspection and delivery with the agreed series.

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Metrology and quality control

You want to know whether a component or assembly meets the agreed requirements. Douna agrees the measurement task, inspection method and required documentation with you in advance.

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At Douna

Manufacturing, knowledge and news

Explore our projects, read about developments at Douna and learn about the technology behind manufacturing.

  • Custom transport and storage trolley for aircraft components
    Project

    Aircraft maintenance transport trolley

    Douna developed and built a custom transport and storage trolley for safely moving and storing high-quality aircraft components.

    View project
  • Douna floating hood for Nâ‚‚O measurement at the Nâ‚‚O day at KWR in Nieuwegein
    News

    First Nâ‚‚O day at KWR: from measurement to lower emissions

    5 October 2026

    On 29 September 2026, the water sector gathered at KWR in Nieuwegein for the first Nâ‚‚O day. Douna attended with the floating hood we developed with Emerson to measure nitrous oxide at wastewater treatment plants.

    Read news
  • Hwacheon VT-1650, vertical turning and milling centre
    Technical article

    Large work, fewer transfers: the Hwacheon VT-1650 is coming to Douna

    Large-part turning · 4 minutes

    A new step for large, heavy turning work. With the forthcoming Hwacheon VT-1650, Douna aims to bring turning, milling and drilling closer together — with fewer transfers between machines.

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  • Stainless steel 316 manifold clamped for deep-hole drilling in the Douna workshop
    Project

    Manifold with deep holes

    For an international client, Douna combined stainless steel machining, deep-hole drilling and dimensional inspection in one production process for a complete manifold.

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  • Three people involved in Douna’s new growth phase outside the company building
    News

    Douna Machinery enters a new growth phase with Famon

    9 June 2026

    On 9 June 2026, Douna Machinery reported that Famon had reached agreement on the acquisition and that a new management phase would begin.

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  • Measuring probe in a bore of a precision metal part
    Technical article

    Why measure in a temperature-controlled inspection room?

    Metrology and quality assurance · 2 minutes

    Temperature differences can affect parts and measuring equipment. A controlled room helps manage this influence; methods, datums and critical features determine the measurement setup.

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  • Customer-specific heating boiler test unit in the workshop
    Project

    Test unit for heating boilers

    A customer-specific test unit for central heating boilers, designed and built by Douna to the customer's requirements.

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All projectsKnowledge and news

Our partners

Stronger together in engineering

A selection of the organisations we work with.

  • Logo of Haakon Ellingsen
  • Logo of Optime
  • Logo of Mokveld
  • Logo of KLM
  • Logo of VDL
  • Logo of Emerson
  • Logo of Serman & Tipsmark

Our techniques

Demanding requirements? Douna works with you.

Need special materials, high accuracy or a 3D measurement report? Douna works with you from the start on material selection, manufacturability and inspection. Engineering, machining, welding and assembly are tailored to your requirements. We agree the required measurements and reporting in advance. A production-ready drawing can also be the starting point.

View the productsMeet Douna
Slender metal component clamped in a lathe

Sustainable production

More electricity generated than consumed

The solar panels on our building generate more electricity over a year than we consume. This gives sustainable production a concrete place in our manufacturing business.

Aerial photograph of the Douna building with its roof covered in solar panels

How can we help you?

Discuss your manufacturing requirement