Heide Bellingrath Head of Customer Relations/Subscriptions heide.bellingrath@oilworld.de +49 40 761 050 16 English, German person to contact PERSON TO CONTACT Thomas Mielke Siegfried Falk David Mielke Christian Mielke Juan Osores Walentina Heinz Katharina Hildmann Heide Bellingrath Susanne Gramsch GENERAL QUESTIONS
