TIG welders

for industrial and pipeline construction

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Pipe fitter

for industrial and pipeline construction

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Ask us!

We will be glad to assist you.

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CO2 / MAG welder

Metal construction and design engineering

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Welcome to Schweiss-Montage-Technik Mertins GmbH

We are specialists in the field of industrial piping construction, plant engineering and welding technology. Our several years of experience and highly qualified team of TÜV-certified welders and fitters (ISO-compliant) ensure that every project is carried out to the full satisfaction of the client. Thanks to our expertise, we can even handle demanding plant projects to a schedule in a cost-effective manner - all on an international scale.

See our capabilities for yourself! We look forward to your call and are happy to advise!


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  • Pipeline construction
  • Plant construction
  • Process equipment construction
  • Welding technology
  • Industrial assembly
  • Refrigerating plant construction
  • Food industry
  • Petrochemicals
  • Tank farm construction
  • Stainless steel machining
  • Stainless steel
  • Pharmaceutical industry
  • Osnabrück
  • Münster
  • Bielefeld
  • Nationwide
  • Worldwide