National Chung-Shan Institute of Science and Technology (NCSIST) develops, manufactures, and sells defence technology and weapons. The company supports customers with defence systems, aviation systems, electronic systems, communication systems, information technology (IT), green energy and dual-use technologies, technical support and services, and emerging advanced technologies. The company’s defence systems cover air defence weapon system, missile system, anti-ship missile, conventional weapons, and artillery multiple launch rocket system. The aviation systems consist of unmanned aircraft systems, rotary engine, and small turbofan engine. The company’s electronic systems include array radar, missile seeker, synthetic aperture radar systems, and decoy. Its communication systems comprise very high frequency (VHF) frequency-hopping radios, wide-band handheld radio, integrated communication system, and portable video conferencing system. NCSIST’s IT offering includes an open architecture command control system, ground command and control system, cyber security and monitoring services, intelligent surveillance system (ISS), and building information modelling (BIM). The company also offers emerging advanced technologies such as optoelectronic semiconductors and systems, underwater technology, and metallurgical technologies.