I tried to do business with Sven Olbrich by buying a very expencive system in one of his online…read morewebshops. It has been two months of emailing and calling him 'because there was a problem with a supplier'. Since three weeks he does not pick up the phone nor awnsers my emails anymore. Stay away from Ohmec and mr Olbrich for that matter. He is unreliable and unprofessional in every way