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We provide maintenance services that meet the needs of clients with a single contract, including a supplier contract, as a One-Stop Service, and provide customized maintenance services optimized for the client's operating environment. Based on a nationwide integrated maintenance system, we operate a One-Stop Service that reflects the various needs of customers. By providing an integrated solution that includes not only maintenance but also contract management with related equipment suppliers, clients can conveniently manage all technical support and contracts through a single point of contact.