How many RAL Gütezeichen (Quality Marks) are there? Where can I find an overview? What advantages do members of a Quality Assurance Association enjoy? And how does RAL quality assurance work? Astute questions require competent answers. Our compact overview provides answers to the most important questions, establishes connections and thus offers you access to the world of RAL Gütezeichen (Quality Marks) and Quality Assurance Associations. What do you want to know?