More than 9,000 manufacturers and service providers use RAL Gütezeichen (Quality Marks) to show that you their customers are of special importance. Many people are left feeling insecure by the growing range of goods and services on offer. Most of the markings and labels are bewildering and do not provide the required assistance. A safe and reliable guide is the RAL Gütezeichen (Quality Marks). The reason is the unique RAL quality assurance system. It ensures that the approval provided by a RAL Gütezeichen (Quality Mark) for a product group or service category takes special account of the increasing requirements of consumers and business.