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Do you have questions about our services, or specific questions about a product? Use our free call-back service! Just send us your telephone number and your preferred call time. This service is available from Monday to Friday, between 7.30 am and 5.00 pm. Not available on German national public holidays or regional holidays. If you briefly explain the reason for your call, we can put you in touch with the right person immediately.
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Please read questions on our FAQ page and if you can not find your answer, please send us your question, we will answer you as soon as possible.