CEO's greeting

The mission of “YOI System”

Dedicated services for your sustainable prosperity

'YOI System’, which has continuously pursued challenging sprit, sincerity and honesty as corporate values
as well as transparent management as business ethics, has steadily developed with our valued customers’
continuous concern and love. Automatic control field, which includes not only system integration field like
elevator monitoring system, heat metering system and nuclear power plant fault recording system but also
system equipment field such as rugged computers, embedded solutions, computer security hardware
platforms and industrial network appliances, is our main business field that has concentrated on for more
than 25 years.

Moreover, in accordance with the trend of lower-carbon green growth, we have recently enlarged our business
field toward developing environmental management systems and localizing solar cell-related equipments.
It was your immeasurable love and concern that make ‘YOI System’ move forward for another big step.

Growing Company, Yoi System