Insatiable Chinese demand for German exports, from cars to factory equipment, helped underpin a long boom in the eurozone's biggest economy, but times have changed, adding to the country's economic headwinds. As Chancellor Friedrich Merz reportedly readies to make his inaugural visit to the world's second-biggest economy later this month, a pressing issue will be how to navigate evolving commercial ties. One of the many German companies feeling the pinch is 4JET, which makes industrial laser