This standard specifies the composition and calculation method of security engineering costs, and is the basis for preparing the c

This standard specifies the acceptance authority, equipment, technical requirements, methods and data records for filming the inte

This standard specifies the electrical characteristics, mechanical characteristics and signal transmission and control requirement

This standard specifies the general procedures and management requirements for project establishment, bidding, commissioning, desi

This standard sets out the basic requirements that must be followed for the quality acceptance of security systems in terms of des

This standard specifies the photography method for judicial registration of criminal suspects and criminals. This standard applies

This standard specifies the basic content, principles, requirements and general methods of photographic and video identification.

This standard specifies the risk level classification, protection level determination, and security system technical and managemen