All products manufactured by “Fortis Group” are made available to consumers through a multi-stage inspection and control system. All products are supervised by an accredited “Central Testing Laboratory” operating within the company. The testing laboratory carries out physical, chemical, mineralogical analysis of imported raw materials and materials, as well as manufactured and packaged products in accordance with the requirements of AZS ISO / IEC 17025 and fully controls the technological process. It is equipped with modern technical means and chemical reagents to perform high-quality laboratory tests and is regularly updated.