• Castings

    Lightweight Design

  • Toolmaking


  • Mechanical Finishing

    CFRP Waterjet Cutting

  • Assembly

    Comprehensive and efficient

  • Welcome at Grunewald!

    With our products & services in the following areas:


    • Automotive
    • Aerospace
    • Cast Aluminium and Cast Iron
    • Series Production Metal Cutting
    • Mechanical Finishing 

    We offer our customers many opportunities to improve their products and make them efficient.

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  • R&D Projects

    We are consistently developing further basics and innovations with R&D projects In doing so, we focus on the new development and further development of technologies and processes.

    In addition to numerous internal projects Grunewald is currently working on the following topics ...

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  • Automotive 2.0

    Grunewald's design, development and production departments conceptualises and produces tailor-made solutions that are ready for manufacturing and productive, and therefore meet customer requirements with respect to technology and economy.

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  • InnoCent Gründercentrum Bocholt
  • Bocholt
  • Westfälische Hochschule