Beijing Jiaoda Signal Technology Co., Ltd. researches, develops, designs, produces, sells, and provides technical support for key equipment used in rail transit train operation control systems in China. Its offerings include locomotive signal CPU components, train operation monitoring devices, transponder systems, track circuit readers, and locomotive signal on-board system equipment. The company also supplies systems such as the LKJ maintenance early warning system, BTM warehouse inspection system, transponder system fault warning platform, locomotive signal vehicle-ground integration analysis system, and intelligent verification and management system for train control data, along with teaching, training, and simulation systems. In addition, it engages in product development, equipment sales, technical services, property leasing, industrial automatic control system technology development, computer system services, manufacturing of railway special equipment, materials, and accessories, technology transfer and development, application software services, software development, and technical consulting and exchange. Its products are used in railway, urban rail transit, and other projects. Founded in 2001, the company is based in Beijing, China.