Xi’an Railway Signal Co., Ltd. (formerly known as Xi’an Railway Signal Factory), located at No.3 Jinhua South Road, Xi’an City, Shaanxi Province, China, is a wholly-owed subsidiary company of China Railway Signal & Communication Corp. Xi’an Railway Signal was found in 1959, which is a key enterprise designated by the Ministry of Railways to develop and manufacture complete sets of rail transit system electric equipment, track circuit equipment, point switch equipment, electric control equipment for locomotives, computer interlocking system and electronic information products. The products of Xi’an Railway Signal have covered the whole country and sold across more than 10 foreign countries. Meanwhile, Xi’an Railway Signal is the key enterprise of the national mechanical industry, the enterprise having the independent import & export right, the national “863” DIMS application engineering enterprise, high-tech enterprise of Shaanxi province, safe production standardization enterprise of Shaanxi province and the enterprise have distinct contribution to the industry growth of Xi’an. The company covers a total area of 150000 m2, has the total assets of RMB 1 billion and employees totaling 1700, including 50 has senior technical titles. Xi’an Railway Signal has one wholly-owned subsidiaries as Xi’an Xixin Whiteley Electronics & Information Ltd and two Sino-German joint ventures as Siemens Signal Co., Ltd. and Xi’an Schaltbau Electric Corp., Ltd.

Xi’an Railway Signal is working to develop new technology and products in the field of rail transit system for many years, successful designed and developed first sets of ZD6 and ZD7 series electric point machine, switch closure detection system, 25HZ and 50HZ phase-sensitive track circuit equipment, TD5 control console, GU combination cabinet, K5 computer interlocking system, WJD-1 microcomputer-relay interlocking equipment, electrical control system of DF type diesel locomotive, copper radiator of diesel locomotive, braking resistance devices of diesel locomotive, electric switch point heating system, passenger information system of urban rail transit, ZD(J)9 electric point machine and external locking and installation equipment and 250/Km/h point switch equipment. The products of company won a lot of awards from the second prize of State Science and Technology Progress Award, and the first prize of provincial and ministerial-level Science and Technology Progress awarded.

Based on the traditional advantage on developing rail traffic electromechanical products, Xi’an Railway Signal constantly adjusting product structure, carrying out new product development and technical  transformation , developed its new products such as point switching system equipments for passenger special line and high speed line, electronic signaling control system equipments, intelligent  control platform, standard locomotive control system equipment, passenger information display system and energy feedback type traction power system and drive system for urban rail transportation. It has the capacity of annually manufacturing 15000 sets of point switching equipments, 300000 signal relays, 300 sets of locomotive control equipments as well as passenger information display system for 50 trains and electronic signaling control system for 1000 stations. Products of Xi’an Railway Signal have been widely used in Chinese main railway lines and urban mass transportation. Through continuous improvement, its signal products have reached the internationally advanced level and have been used in railway lines in some foreign countries. With high quality and superior customer service, our signal products have a good reputation around the world.

In recent years, Xi’an Railway Signal use the opportunity of great development in railway and urban mass transit, undertaken the key science and technology project “ Development of Energy Feedback Type Traction Power System and Drive System of Urban Rail Transportation”, which supported by National “11th Five-Year Plan”. Meanwhile, Xi’an Railway Signal passed French Bell “AFAQ” IRIS certification. Xi’an Railway Signal has established its absolute predominance in Chinese rail transit equipment manufacturing industry. Following “go global” strategy, the signal products produced by Xi’an Railway Signal have been widely used in railway transportation in Hong Kong, Saudi Arabia, Uzbekistan, etc.

Taking “To be Professional on Safety Control System and Make the Train Drives Safely” as the mission and the outlook of scientific developments as the guideline, Xi’an Railway Signal has implemented an operational strategy of related diversification, insisted on providing safe and reliable products to customers, strive to enhance the level of China's rail transport technological equipment and to be a world-level enterprise in terms of China’s rail transport equipment industry.