Especially after the collapse of the Sino-German Cooperation due to the start of World War II in Europe, many Chinese nationals in Germany were forced to leave the country due to increasing government surveillance and coercions.
Khususnya setelah bubarnya kerjasama Tiongkok-Jerman karena Perang Dunia II dimulai di Eropa, beberapa warga Tionghoa di Jerman terpaksa meninggalkan negara tersebut karena peningkatan pengawasan dan penindasan pemerintah.