Installation and construction of anechoic room, semi-anechoic room, sound proof room, reverberation room and other laboratories; installation of measurement machine apparatus machine and apparatuses; installation of electric magnetic measuring instrument; installation of telecommunication machines and apparatuses; installation of electronic applied machines and apparatuses; repair or maintenance of electronic machines and apparatus; repair or maintenance of telecommunication machines and apparatus; repair or maintenance of measuring and testing machines and instruments; repair or maintenance of medical machines and apparatus; repair or maintenance of electric or magnetic meters and testers

Designing of machines, apparatus, instruments [including their parts] or systems composed of such machines, apparatus and instruments; designing; computer software design, computer programming, or maintenance of computer software; technical advice relating to performance and operation of computers, automobiles and other machines that require high levels of personal knowledge, skill or experience of the operators to meet the required accuracy in operating them; providing measurement, evaluation or diagnosis of noise, vibration or sound generated from building machines and apparatuses or material; providing guidance and advice concerning countermeasures for noise, vibration or sound generated from building, machines and apparatuses or material; testing or research on machines, apparatus and instruments; rental of measurement machines and apparatuses; rental of electric magnetic measuring instrument; rental of computers; providing computer programs

Rental of anechoic room, semi-anechoic room, sound proof room, reverberation room and other laboratories