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W.B.M. Machine Factory (1966)

    • Special machines for building and road construction
    • Concrete moulds up to concrete production installation
    • Equipment for Petrochemical industry

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WBM-Ammann Machine Factory (1972)

    • Joint venture with Swiss Ammann
    • Production of Chimneys
    • Asphalt and Concrete production installations
    • Prefab elements production installations
    • Classifying installations

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Machine Factory Stramproy (1983)

    • Composting installations
    • Biomass Drying installations
    • Conveyor systems
    • Waste/Minerals recycling installations
    • Sand and Gravel classifying

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Stramproy Group (1997)

    • Large transport installations
    • Petrochemical shut down
    • Torrefaction pilot installation

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Stramproy Contracting (2004)

    • Thermal soil cleaning installation
    • Waste recycling plant
    • 2nd Torrefaction pilot installation
    • Waste classifying installations

Schermafbeelding 2013-07-08 om 12.11.16Materials, Granulate & Powder (2007-2010)

    • 100% recycling building waste
    • Classifying Ceramics, Granulates and cement

SGIStramproy Green Investments BV (2007-2013)

  • Torrefaction plant
  • CHP plant