Tianjin Keyvia Electric Co.,Ltd engages in the research and development, production, and sales of electrified railway and urban rail transit traction power supply systems in China. The company offers power supply dispatching, substation and distribution integrated automation, telecontrol terminal control, wide area protection measurement and control, intelligent auxiliary monitoring, railway tunnel monitoring, electrical detection vehicle, and simulation teaching and training systems for electrified railway power supply automation. It also provides integrated monitoring system, integrated automation system of substation, rigid suspension catenary system, dc switch cabinet, environment and equipment monitoring system, energy management system, comprehensive intelligent security monitoring system, integrated intelligent power supply operation management system, power supply protection measurement and control system, visual grounding system, LTE and dedicated wireless system, vehicles and electrical parts, and power supply overhaul equipment for urban rail transit. In addition, the company offers city management information platform, integrated energy management systems, and intelligent building systems. Further, it provides consulting, design, installation, commissioning, and services for traction power supply systems. The company is based in Tianjin, China.