AJB Instrument

AJB Instrument developed itself as a specialized supplier of high quality precision components and small assemblies for the medical and high-tech industries. In 2013 AJB became a member of the Madern Group with the aim to merge technological knowledge and craftsmanship to become a supplier of innovative solutions for the manufacturing of instruments, tooling and machinery of the future. 

Work environment

Madern renovated the entire AJB building of 1.000m2 from the in- and outside and invested in the purchasing of new machinery, including a conditioned measuring room with 2 CNC measuring machines. 

The machinery of AJB complements to the machinery of Madern. AJB machines are ideally suited for smaller precision products, whilst Madern machines are more suitable for medium and larger sized work. In this way both companies provide each other with additional editing possibilities to cover a wide range of orders. Together they cover almost all types of metal processing from conventional and automatic lathes and milling up to surface and cylindrical grinding, spark and wire erosion, honing, läpping, engraving, copy milling, laser processing, printing and PVD coating, all with ISO 9001 certification.


The AJB Instrument facility in Rozenburg (The Netherlands) consists out of the following departments:

  • ISO certified machine park
  • Sales
  • Service and support
  • Administration

Markets we serve

AJB Instrument manufactures innovative high-precision engineering products for the following industries:

  • Automotive industry
  • (Petro) Chemical industry
  • Medical industry
  • Aerospace industry
  • Semicon & Analytical industry
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