We design and build custom systems, machines and products

Engineering and supply of custom systems, industrial automation, product development and CNC machines: one team, from our site in Navacchio, near Pisa, for companies in Italy and abroad.

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  • Over 1,000 projects since 2011
  • More than 100 B2B clients
  • Revenue +197% from 2021 to 2025
  • Growth Leader 2026 – Il Sole 24 Ore

What do you need?

Choose where to start.

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Test benches and testing systems

Custom test rigs for defence, aerospace, Oil & Gas and automotive, with automation and data acquisition.

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Lifting and handling of large components

Custom lifting, tilting and handling equipment for naval, defence, rail and Oil & Gas, verified and certified.

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Naval and defence handling systems

Defence materiel, vehicles and components on board, to MIL-STD.

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Automatic machines and production lines

Special machines and assembly and testing lines for pharmaceutical, automotive, converting and Oil & Gas.

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Extended engineering team for machine builders

Mechanical, electrical and PLC design for new stations, modules and lines, when you need extra capacity without hiring.

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FEM analysis, checks and certification

FEM analysis, structural checks and calculation reports for the technical file, also as a stand-alone service.

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The sectors we work in

See what we can do for you: choose your sector.

Defence and naval

Test rigs for weapon systems, shipboard handling systems and lifting equipment, to MIL standards.

Pharmaceutical

Automatic machines, lines and systems for existing lines, with hygienic design and ATEX environments.

Aerospace sector Aerospace call_made Automated production line with conveyors Industrial call_made Automotive sector Automotive call_made Wheels and axle of a railway bogie Rail and transport call_made Offshore platform in open sea Oil & Gas call_made Render of the medical device for thawing blood and plasma Biomedical call_made Person climbing the stairs at home holding the handrail Homecare call_made

Our services

Designer working on a 3D CAD model in the DIENGCORP engineering office Dieng

Engineering and systems solutions

Engineering for aerospace, defence, naval and transport: we design and build test benches, handling and lifting systems and special equipment, with FEM analysis.

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Wiring an electrical panel in the DIENGCORP workshop Dimotion

Industrial automation

Custom automatic machines and lines for manufacturers and pharmaceutical companies, and an extended engineering team for machine builders.

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Sviluppo Prodotto Dimade

Product development

From concept to small series. Industrial design, engineering and prototypes for biomedical devices, homecare and industrial products.

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Macchine a CNC Satres

CNC machines

CNC milling machines and 3D printers for orthopaedic workshops and industry, with installation, training and direct service.

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Simulation software: we are a Dassault Systèmes Bronze Partner for SIMULIA solutions — Find out more call_made

How we work

  1. Written requirementsEvery project starts from the technical and regulatory requirements, put in writing.
  2. One point of responsibilityDesign, manufacturing, testing and documentation stay with a single owner.
  3. Defined timing and costsAgreed before we start and followed by a dedicated project manager.
  4. Testing and documentationIt ends with acceptance testing, the required certifications (CE, ATEX, PED, MIL) and the technical documentation.

Delivered projects

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What our clients say

Dieng’s contribution to the product design was decisive and gave the product an excellent feel for the user. Injection moulding requires a considerable design effort: Dieng supported us through that process and allowed us to reach the targets we had set.Technical Manager – D. D.
We found Dieng to be a very professional partner, attentive to our requests and needs. Thanks to this milling machine we were able to automate 5-axis sole machining: with this technology we can help our clients be more productive.Owner – Mr N. M.
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Tell us about your project

Our technical team will assess feasibility, constraints and timing with you.

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Technical Sales call(+39) 050 32599

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