AER ensures the design and the justification of small size mechanisms and electromechanisms mainly in defence and space business. 

These equipments intervene in safety functions, management of fluid flow, vibration absorber, vacuum, precise displacements… The Customer support goes from specification to the delivery of tested equipments. 

AER can also bring the justification of a very high level of reliability and safety throughout the lifespan of the equipment by analytical studies of aging, and by different levels of expertise.