Beijing Yan Hong Da Railway Equipment Co., Ltd., founded in 2001, is a high-tech enterprise specialized in maintenance machinery and equipment and measuring instruments research and production for railway and urban rail transit. Its headquarter is located in Zhongguancun Science Park, Fengtai district, Beijing. Its production plant is located in Changzhou, Jiansu province, which is the mechanical manufacturer center of China, has 25 Germany-made Korea-made CNC machining center with the production workshop area of 34,000 square meters, and further has 40 CNC lathes, milling machines and grinding machines. 3 assembly production lines and detection devices such as three-coordinate measuring instruments, hardness tester and simulator stand are provided. The fixed assets total RMB 120,000,000.The company produces railway maintenance devices, high speed railway measuring instruments, large road maintaining mechanical accessories etc. Its customers include China Railway and nearly hundred urban rail transit enterprises. All products have the advantages of being light in weight, small in size, simple in operation and wide in use environment etc.The company has customers in Hainan sea-encircled railway in the hottest place of China and the plateau railway Qinghai-Tibet railway in the coldest highest place of China. All the products have passed CRCC certification and CE certification.As an international enterprise, Beijing Yan Hong Da Railway Equipment Co., Ltd. maintains close technical cooperation with the US, Russia and Germany. Devices and measuring instruments complying with the Chinese high speed railway standard are developed and produced by the company.\\\"Business of Longevity; Brand of Credibility\\\" is the culture tenet of Beijing Yan Hong Da Railway Equipment Co., Ltd.