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GJ Welding is owned and operated by Graham Johnson, out of South Island New Zealand.  We have extensive experience in welding and fabrication disciplines, serving a variety of industries.

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We are all about quality, and delivering the best possible outcomes for our clients.

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Services

GJ Welding provides mobile welding services & labour-hire New Zealand wide.

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We serve a wide range of industries including:

  • Commercial & Civil construction

  • Timber treatment & processing 

  • Oil & gas

  • Heavy equipment

  • Agricultural

  • Conservation

  • Residential construction

Our focus:​

  • Pipe welding & fabrication​​

  • ​Structural welding & erection

  • vessel maintenance & repair

  • equipment repair

  • pile splicing

  • shutdowns 


Current Certifications:​

  • ASME IX​​​

  • AS/NZ 2980



We have the capacity to develop and qualify welding procedures specific to the requirements of your job

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 021 235 2404

Contact us with queries about welding requirements for your next project.


We are based in the Dunedin area of  Otago NZ

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