This paper mainly researches the relationship, certification procedures, certification marks, and certification requirements of e/E-mark certification systems, the motor vehicle type approval systems.

Error district of the OHSMS's authentication and examination in the order implement by the certificate authority;

Counseling on Sticky Issues on the Authentication of GSP;

Ecological textile authentication and critical points thereof;

International certification of electric welding machines and selective use of critical components;

Study in Standards and Certification of Computer Power Sources Used in Medical Equipments;

New tasks facing in quality certification,attestation and accreditation for an Electric Power Research Institute;

Analysis on Measurement Management System Accreditation at Meigang;

Social Regulation System of American Private Education: Accreditation;

Research on the Re-accreditation of Teacher s Qualification;