Mercuries Data Systems Ltd., together with its subsidiaries, engages in the sales, leasing, and maintenance of financial automation service machines in Taiwan. The company offers financial software systems, such as whitelist management, deposit machine management, device management, E-APT batching machine centralized management, multimedia reception service, teller safe management, and BTS financial branch terminal systems, as well as ATM operation integration platform; and financial automation products, including foreign exchange banknote exchange machine, professional payment kiosk, deposit machine, recycling cash dispenser, and automatic passbook printer. It also provides train dispatching radio systems; RF system for government; information technology services comprising medical information services, government procurement section, solutions for insurance industry, enterprise performance management solution, search and rescue dispatch system, 911 dispatch systems and emergency intelligent platform, SKMS stock management system, navy METOC HPC system, intelligent pre-registration and check-in management system for exhibitions, power company user electricity service big data platform, and power company's new distribution engineering information system; and automated ticket management and MRT automatic fare collection system. In addition, the company is involved in the provision of attendance, sales, maintenance, merchandising, and inspection management systems; planning, development, construction, and maintenance of software and hardware accommodating for the integrated system; management consultant and computer equipment installation; information software processing services; investment activity; computer and information software development, production, and sales; and self-produced product business and related technical consulting services. Mercuries Data Systems Ltd. was incorporated in 1965 and is headquartered in Taipei, Taiwan.