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Polysoude

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Adapted from the English Wikipedia article Polysoude, available under CC BY-SA 4.0Updated 10 August 2025
Polysoude
Company typePrivate
IndustryWelding technology
Founded1961
Headquarters
Nantes
,
France
Area served
International
ProductsOrbital and automated welding equipment, cladding systems
ParentGWT Group (Global Welding Technologies)

Polysoude is a French enterprise specializing in welding technology, with its main office located in Nantes and its parent company, GWT Group (Global Welding Technologies), headquartered in Austria. Established in 1961, Polysoude develops, produces, and markets equipment for orbital and automated welding along with cladding systems. The company provides a comprehensive array of arc-welding solutions, with 85% of its €35 million revenue (FY 2010) generated from international clientele.

History

Polysoude was founded in 1961 with the primary objective of engineering and advancing orbital welding systems. The company's inception was driven by the nuclear power plant construction industry's need for consistent and flawless welds to guarantee optimal safety. Over time, Polysoude has grown internationally by establishing subsidiaries and offices to support its export activities.

Key milestones in its direct sales network expansion include:

  • 1993: Acquisition of ASTRO ARC POLYSOUDE Inc., USA
  • 2004: Establishment of POLYSOUDE SHANGHAI Co. Ltd., China
  • 2005: Launch of POLYSOUDE AUSTRIA GmbH
  • 2006: Opening of POLYSOUDE WT 000 Moscow, Russia; POLYSOUDE SUISSE S.A., Switzerland
  • 2007: Formation of POLYSOUDE ITALIA Spa
  • 2009: Creation of POLYSOUDE Czech Republic
  • 2011: Inception of POLYSOUDE DEUTSCHLAND GmbH; POLYSOUDE Brazil

Industries

Polysoude caters to sectors that require orbital and mechanized welding technologies, including:

  • Nuclear power plant construction
  • Nuclear sector
  • Boiler manufacturing
  • Heat exchanger fabrication
  • Oil and gas (onshore/offshore)
  • Aerospace and aviation
  • Microelectronics (semiconductor manufacturing)
  • Food industry
  • Pharmaceutical sector
  • Chemical industry