NN Maschinen- & Metallbau GmbH & Co. KG · Höxter
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NN Maschinen- & Metallbau
Welding at NN Maschinen- & Metallbau in Höxter
Quality · Welding · Documentation

Quality you can trace.

Defined manufacturing processes, qualified welding and documented evidence provide confidence for structural steelwork, welded assemblies and industrial orders.

View certificatesDiscuss a project
EXC2documented structural steelwork scope
DIN EN ISO 3834-3Welding quality requirements
In-house manufacturingQuality assurance in Höxter
Documented evidence

Clearly presented standards

Here you will find the current certificates from ZDH-ZERT GmbH, issued on 12 August 2026, with scope, identification numbers and PDF downloads.

Factory production control under EN 1090-1 at NN Maschinen- & Metallbau
01 / STRUCTURAL STEELWORK

Factory production control under EN 1090-1

The EN 1090-1 FPC certificate confirms factory production control for structural steel components and kits up to EXC2 under EN 1090-2.

  • Execution classup to EXC2
  • Manufacturing scopeCutting, punching, forming, welding and mechanical joining
  • Certificate number2499-CPR-0123085-00-03
  • Valid from25.05.2026
  • Next surveillance inspection24 May 2029 · On-site inspection, not an expiry date
  • Certification bodyZDH-ZERT GmbH
EN 1090 FPC · Open PDF
NN Maschinen- & Metallbau certificate under DIN EN ISO 3834-3
02 / WELDING QUALITY

DIN EN ISO 3834-3

The certification confirms welding quality requirements under DIN EN ISO 3834-3 within the scope of the accompanying annex.

  • StandardDIN EN ISO 3834-3
  • Validity25 May 2026 to 24 May 2029
  • Registration no.QMS 0123085-00-03
  • Certification bodyZDH-ZERT GmbH
DIN EN ISO 3834-3 · Open PDF
Document issue date: 12 August 2026. The PDFs show the current certificate sheets. Associated annexes and welding certificate SCH 0123085-00-03 are not included in these downloads. We clarify the full project-specific scope on request.
Quality in the process

More than a document on the wall.

Quality is built into everyday work: from technical clarification, materials and welding sequences to inspection of the finished component. Documentation establishes clear, repeatable processes.

For individual projects, we agree requirements, materials, tolerances, inspections and scope of supply before production begins.

Send your requirements
01 / ASSESSMENT

Clarify the order

Drawings, materials, application and technical requirements are checked in advance.

02 / PLANNING

Define the production route

Processing, welding sequence and inspection stages are defined to suit the assembly.

03 / MANUFACTURING

Qualified workmanship

Experienced specialists manufacture using agreed methods and documented processes.

04 / INSPECTION

Check the result

Dimensions, workmanship and agreed characteristics are checked before handover.

Documented scope

What the certificates cover

For every quotation, we also assess the specific design, application and all project-specific requirements.

01

Steel structures up to EXC2

Work within the documented scope for load-bearing steel components and kits.

02

Welding quality

Quality requirements under DIN EN ISO 3834-3. Materials and welding processes are assessed for each project against the associated annexes.

03

Traceable quality

Clear responsibilities, suitable equipment and agreed inspections throughout the production route.

Do you need documentation for your enquiry?

Tell us the component, material, application and required documentation. We will assess the order and provide suitable project-specific documents.

Enquire about your project
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