SONOTRONIC Nagel GmbH is the market leader in Custom Ultrasonic Welding Machines for the automotive sector. Our machinery is ... utilized all over the world for manufacturing Automotive Interior and Exterior plastic components. Above and beyond this SONOTRONIC also develops and manufactures Hi-Tech ultrasonic systems for the Packaging, Foodstuff, Textile, Medical and Environmental Industries. As an organization rooted in traditions we employ over 350 men and women between our headquarters office in Karlsbad Germany as well as our subsidiaries in Spain, USA and China. read more