BEIJING SIFANG AUTOMATION CO., LTD. is principally engaged in the research, development, manufacture and sale of relay protection, power grid automation and power plant automation products, as well as the provision of related technical services. The Company primarily provides relay protection and substation automation systems, including relay protection and automation equipment, and substation automation systems; power system security and stableness monitoring and controlling systems, including dynamic security monitoring systems, security and stableness controlling systems; power plant automation systems, including power plant electric automation systems, generator set excitation controlling systems and generator set twist vibration protection equipment; grid relay protection and fault information systems, distribution network automation systems, and rail transit automation systems. Its products are applied in electric power, petrochemical, railway, coal and metallurgy industries.