Don't bring too much cash. Although it is safer than China, thieves know China people and know that we love to bring cash.
It's cold in the morning and at night. Even now, I have to wear winter clothes, which is very different from noon.
Most people's English is still not good, so they can learn some basic knowledge, such as how to take a bus, how to buy things, where to go and so on.
Supermarkets are closed on sundays, and those who want to shop are just before Saturday;
Public transportation in Germany is always on the hour, and it doesn't take a second to leave as soon as it arrives, so be sure to be on time, or you may have to wait for hours if you are late.
2. If it is an exhibition.
You can make the material into text material and DVD material;
Hire part-time students with good German to help promote translation (I have friends to recommend them if necessary).
If you are a manufacturer, you must first distinguish which companies are also manufacturers and which companies can help you sell them on a commission basis.
Add whatever comes to mind.