Who is HEF? The HEF group is a world leader in surface engineering, able to offer its customers, whether major clients or SMEs, a comprehensive service ranging from research to the operation of processes or the supply of components, through to industrial development and maintenance.
Who is NGE? NGE is an independent French construction and public works group founded in 2002, operating throughout France with over 100 sites. With sales of 2.8 billion euros, NGE is an independent French company that is developing its business in the building and civil engineering sector and participating in
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