Translation of Datenverarbeitung

please look at the attachments and tell me if there is something missing. I did not want to send you brochures that are intended for the hardware market. The company has experience with all routers.
In my next message to you I want to write everything in German. Than I will rewrite it in English and we can compare the output. This way you see the text in your mother tongue and in a foreign language.
I rarely heard someone speaking so bad about his nation, but again, it wasn't my business. We closed the lights at midnight and hoped for a few hours of sleep. The train shaked and threw us around in our beds.