1. Extensive testing services: CMA testing report covers a wider range of fields, including food, medicine, medical devices, environment, etc. CMA is an administrative license granted by the government of China to a third-party laboratory, which has legal effect. SGS is a global testing organization with a service network based on quality management system certification and rich industry experience.
2. Authority: CMA test report has high authority and credibility, because CMA is the abbreviation of China Metrology Certification, and it is the administrative approval of the third-party laboratory by the China government, while SGS test report has no similar certification.