Sanofi is an international pharmaceutical group; in Belgium its core activities consist of clinical development, registration, marketing, sales and distribution of prescription and non-prescription drugs.

Within the scope of a guaranteed hygienic environment, at the branch in Geel the propulsion section of a cleanroom underwent cleaning. This was carried out at both the technical level and in the cleanroom. A clear timetable was prepared, to ensure that Sanofi’s schedule would not be disrupted.