Certification marks are controlled by an organization capable of supervising a certain product or service and used by units or individuals outside the organization to certify the origin, raw materials, manufacturing methods, quality or other aspects of the product or service. A sign of specific quality. Certification marks can be divided into two types. One is the certificate of origin mark, which can prove that the goods or services themselves come from a certain place of origin. The other is a quality certification trademark, which is a sign that proves that goods or services have a certain quality.