China Railway Signal and Communication Co., Ltd. (hereinafter referred to as "CRSC") was founded in 1953. As a large state-owned enterprise, China Railway Signal and Communication Co., Ltd is under the control of SASAC(State-owned Assets Supervision and Administration Commission), with 4 billion RMB as registered capital. As the largest industrial base of automatic train control and communication signal in China rail transit industry, CRSC is the strongest local enterprise specialized in system integration and supporting services.

Beijing Zhongtietong Signal and Communication Technology Development Co.,Ltd(CRSC’s infrastructure equipment division) is a high - tech enterprise, which is under the administration of the CRSC. The business of Beijing Zhongtietong Signal and Communication Technology Development Co. Ltd. integrates with product research, technical development, product manufacture, sales, and technical service. In order to achieve the main mission put forward by the company, we dedicate in promoting the railway’s development in scientific and accelerating the modernization of railway services. Under the subject of railway harmonious and rapid development, our company give full play to the advantages in product equipped, highly technology. Beside these advantages, we also devote to researching the competitive rail product. We will do our great effort to providing "advanced, mature, economical, suitable and reliable" communication signal product and infrastructure equipment for railway transport industry.

Xi’an National Railway equipment research Co. Ltd. is specialized in design and research railway electricity equipment. Meanwhile it also undertakes the inspection and testing of signal product for the Ministry of Railways. The institute of product quality supervision and inspection center of railways signal products is authorized by Ministry of Railways and certified by the State Bureau of Technical Supervision rail industry. The inspection station equipped with all kinds of testing equipment, having complete testing means .The testing capabilities basically covering the whole railway industry signal products and the testing methods have reached in advanced level.

Our company has a professional talent technical team as a support, which is in high-level, high-quality, reasonable structure and full of innovation and dedication spirits. In the future, we will setting our management theory on the high-technology industry operation target, through continuous improvement of the product chain and improve equipment in order to make our product in competitive strength. We are committed to providing first-class technology and products to our customers.