43200000 Components for information technology or broadcasting or telecommunications
43201500 System boards processors interfaces or modules
43201534 Exchange component CODEC interfaces
44100000 Office machines and their supplies and accessories
44103200 Office time recording machines and accessories
44103206 Fingerprint time attendance and access control machine
81110000 Computer services
81112300 Computer hardware maintenance and support
81112306 Printer maintenance
81112200 Software maintenance and support