On an European level, that doesn't seem to be the case so: https://ec.europa.eu/eurostat/statistics-explained/index.php?title=File:EU,_Industrial_production_fo

On an European level, that doesn't seem to be the case so: https://ec.europa.eu/eurostat/statistics-explained/index.php?title=File:EU,_Industrial_production_for_total_industry_and_main_industrial_groupings,_2005-2022.png https://ec.europa.eu/eurostat/statistics-explained/index.php... https://ec.europa.eu/eurostat/statistics-explained/index.php?title=Industrial_production_(volume)_index_overview https://ec.europa.eu/eurostat/statistics-explained/index.php... Except the global dip during Covid, development is either stable or slightly increasing. A 50% drop in production sounds like a strong claim, requiring equally strong sources to back up.