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Weld-Tec.nl is the official website of “De Lasserij”, welding technology, based in the Netherlands.

De Lasserij provides solutions, consulting and advice to the welding and welding related industry in a broad range of disciplines.

Welding is still referred to as a “special Process” in common ISO 9001 quality systems. This means that its quality cannot be readily verified. However to ensure this quality the welding Industry faces a lot of requirements. Besides contract requirements there are requirements in national, European and International laws, norms, codes and directives.


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De lasserij has a track record of multiple projects from all over the world. Take a look in the extensive and multinational project portfolio of Weld-Tec!

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Feel free to use our custom developed welding lexicon app. It features more than 10000 definitions in 5 languages! Contribute to Wlex and submit some new definitions!

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Contact information

De Lasserij
Frans Halsstraat 93
6464 CG Kerkrade
The Netherlands

+31 (0)6 52 41 69 74

KvK nr. 14079789
VAT nr. NL1148.95.168.B.01

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