TUYIDER; it is a civil society organization formed by the gathering of companies serving the surface treatment sector. TUYIDER aims to provide training, testing/analysis, feasibility, consultancy, standardization and certification services within the scope of the development and common interests of the sector. TUYIDER primarily provides services to its members and the sector with its Surface Academy, TUYIDERGI(periodical journal) and TUYIKART(special card for members) projects.
