Contemporary Amperex Technology Co. Limited (CATL), the global market leader for innovative technologies in the field of new energies, operates one of the largest battery factories in Europe near Erfurt. With a total of over 1,000 employees in Germany, CATL produces lithium-ion batteries and modules there, which are used in electric vehicles, among other things. The factory is highly automated and uses the latest technology. This is evident, for example, in the area of ​​maintenance.