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;

On the requirement and standard in the attestation of the civil procedure;

The influence of attestation of quality system on the development of gold industry;

This paper expounds the developing situation of drug's GMP (Good Manufacturing Practice) and the necessity of Chinese pharmaceutical enterprises' carrying out GMP, and puts forward some measures of doing well the implement and attestation of GMP.

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;

Discussion on the Quality Certificate System for Petreleum Enterprise;

Establishes and Certificates Quality Management System about Corporation;

Proceed Forest Certificate to Develop ecotype-centered of Hainan Province;

Research and Improvement of Kerberos Authentification System;

To improve the security and performance of the authentification protocol in manufacturing grid, identity-based authentification protocols without random oracles were established.

In order to protect the security of the data transmitted on the open Internet, VPN introduces many kinds of technology, such as tunnel, authentification, encryption, access control and integrity to prevent the data from being i.