EDH, ID-SYSTEM and 2 other French companies involved in hydraulics field since 20 years have created an Economic Interest Group : EXAGO GROUP. The objective of this grouping is to incorporate know-how and professional experiences of these four French companies in order to develop export business. Our activities are mainly divided in 4 branches:Hydraulic conditioning: Fluid cleanliness, filtration and flushing solutions,Hydraulic didactic : Design and manufacturing of training equipments for industrial and mobile hydraulics,Hydraulic training : Hydraulic standard or made-to-measure training courses on site or by webcam,Hydraulic component: Hydraulic components and spare parts.