In the field of flexible DC transmission and DC grids, XJ owns independent intellectual property rights for the HVIV3000 series flexible DC converter valves, high-voltage DC circuit breaker core devices, and other complete core equipment. It has established a comprehensive solution service capability covering feasibility studies, system turnkey design, core equipment R&D, production testing, installation and commissioning, operation and maintenance support, project management, and quality management. These technologies have been widely applied in areas such as renewable energy grid integration, offshore wind power DC transmission, islanded power supply, and multi-terminal DC interconnection, positioning XJ as an industry leader in flexible DC transmission.