OA equipment refers to a diverse group of devices that promote the efficiency of office operations and information sharing. In the manufacturing industry, it is a critical infrastructure supporting core operations such as drawing output and management in the design department, plan creation and sharing in the production management department, and data input and analysis in the quality control department. Representative equipment includes multifunction devices, PCs, servers, network devices, business phones, and projectors. These devices integrate with networks and cloud services to enable centralized information management and real-time data sharing. The services provided are extensive, ranging from equipment introduction and installation to maintenance, security measures, and even solution proposals for business process improvement. They play an indispensable role in promoting DX (Digital Transformation) and improving productivity in manufacturing sites.