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Ronchin Ronchin is hosting three of the largest companies in France (France). According to the NACE-activities of the biggest companies, Ronchin is the city of the NACE-Code: "DK: MANUFACTURE OF MACHINERY AND EQUIPMENT N.E.C."
City:	Ronchin (See Map below)
Country:	France (France)
Largest companies:	Societe ECL S.A Elyo Nord est ECL SA
City Id:	9493

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