CEST Ltd. has intensively developed the IT technology for a ubiquitous computing environment to achieve the highest level of technology in the short-distance wireless communication field. We aim to provide service based on new technology to various fields such as distribution, logistics, U-Tour, U-Hospital, safety facilities, and national defense.CEST&＃39;s business is the SI business focusing on system implementation to provide from the IT market to non-IT field with a high-quality service of the Ubiquitous Total Business Solution.CEST will do the best to secure a world-class IT solution and be prompt in dealing with changes in customers and markets to become a leading company in the IT world.