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Who We Are

Heat Treating and Manufacturing

Specializing in Heat Treatment of steels and alloys for New Zealand and the world.

We pride ourselves on having a one-stop shop operation with our large production and manufacturing machine shop all under one roof.

We focus on Quality, Service and Expertise to provide our customers with the best products and services for their needs.

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The best team providing you with the best services

Heat Treatments Ltd is a third-generation family-owned company, with over 50 years of experience in the industry.
Based in Mt Roskill, our team is made up of highly-skilled and motivated people who strive for high quality and excellent service.

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 2023 Gold Medal for Sustainability

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Five Year Hall of Fame 2017 - John Deere

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Achieving Excellence in Partner Level Performance 2022 - John Deere

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Achieving Excellence  Awards, 2011-2018, 2020-2022 - John Deer


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