Jumbo Energy BV Verlengde Middenraai 24 7938 PD Nieuw Balinge Tel +31 348-489357 Fax +31 348-432407 Sjaak de Koning Technical Director s.de.koning@jumbo-energy.com Huib van Oosterom Sr R&D Engineer Theo Kok Business Unit Manager Electrical Albert de Koning Business Unit Manager Agriculture Pieter Timmerman Technical Advisor & IT Manager