If you are heading off to a foreign country. Especially if it is for business, it is important that you do your homework before ever leaving home. Never travel to another country unprepared for social situations.
Learn some of the basic language so you can at least be able to have some communication with the locals. Introductions and pleasantries are always important to know but make sure you can communicate when it comes to money, passports and findingbhelp in emergencies.