ISDN Holdings Limited, together with its subsidiaries, provides motion control, industrial computing, and other specialized engineering solutions in Singapore, China, Hong Kong, Malaysia, Indonesia, Vietnam, and internationally. It offers conceptualization, design, development, prototyping, production, testing, installation, and after-sales technical support services for motion control systems; and design, engineering, production, integration, and lifecycle services for complete systems that integrate hardware, software, networking, and intelligence in manufacturing, advanced agriculture, renewable energy, and civil transportation industries. The company also manufactures linear motors, positioning stages, precision gearboxes, and transmission elements; and hinges and locks under the Dirak brand for data centers, telecommunications, transportation, and 3C markets. In addition, it provides connectivity, intelligence, and analysis services to support industrial processes; industrial software platforms for automation, intelligence, analytics, and control software; and engineering and technology solutions for solar energy, energy storage, advanced agriculture, industrial disinfectants, building energy management, and energy smart grids.