Collective marks mean signs which are registered in the name of bodies, associations or other organizations used by the members thereof in their commercial activities to indicate their membership of the organizations. Certification marks mean signs which are controlled by organizations capable of supervising some goods or services and used by entities or individual persons outside the organization for their goods or services to certify the origin, material, mode of manufacture, quality or other characteristics of the goods or services.

(Trademark Office under the State Administration for Industry and Commerce)