Jung Metallbau GmbH, known as Schlosserei Jung, is a family-owned business founded in 1966 and headquartered in Schwanfeld. The company, which is certified to ISO 9001 and EN 1090, specializes in metal construction and metalworking in the Würzburg and Schweinfurt regions. Its range of services includes the design, fabrication, and installation of balconies, patio covers, railings, staircases, and steel structures. In addition, the company—with approximately 50 employees—offers services in the areas of sheet metal fabrication, laser cutting, and CNC machining (turning and milling).