Institutional responsibilities: responsible for the collection, processing, research, consulting services, formulation and promotion of domestic and foreign standard documents and technical regulations; Undertake WTO/TBT notification and consultation, and be responsible for the development, research, popularization and application of information classification and coding technology; To undertake the assignment and certification of unified codes for organizations at all levels and types; To undertake the registration, quality supervision and system member management of the city's commodity bar codes; Undertake bar code technical service and popularization and application.