The core business of CESI is standardization work in the field of electronics and information technology. By developing scientific research for standards，testing, measurement，certification and information service，CESI provides professional support for the government’s strategic study, industry management and strategic decision, and provides technical service in standardization field to the society.

CESI has been playing a significant accelerating role in disseminating and applying standards, promoting the development of the industry, and international exchange and cooperation, with:
having established laboratories, certification bodies and working stations authorized by the government and accredited by the authorities;
taking charge of the centralized management for 51 national technical mirrors to IEC TC/SCs and ISO/IEC JTC1/SCs;
having held 11 secretariats of national standardization technical committees
having established cooperation relationship with some international standardization organizations and well-known international bodies.

Being vigorous, diligent and inventory, the staff of CESI has been devoting themselves to exploring the best practices for standardization for the past 45 years. For the future, cesi will carry forward its belief “science, impartiality, integrity, and service”, and fulfill its mission to support government，to serve the society，to promote innovation and to accelerate the development of standardization work, to create its hundred years’ brilliance.