The knowledge we have of the normative procedures for personal protective equipments and for ocular optic products will enable us to advise you about the compulsory information you have to provide the customer with (user's instructions) but also to help you for the building-up of technical records and for the declaration of compliance. > To check the quality of your raw materials, of treatments to your frames and your glasses, we can also carry out the following tests: - Classification of the quality level of a coating, - Metallographic cuts, - Three-dimensional measurements, - Accelerated ageing (UV, humidity, temperature), - Salt spray test (CASS test), - Nickel free, - Checking of the mecanical resistance, - Evaluation of the effect of a slight deformation, - Checking of the adhesion of surface treatments on oculars, - Internal strain and mounting of oculars. Besides, we have a service for rapid checks of deliveries concerning products we have already certified that protects you against deviations from quality of manufactured products.