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北京电铁通信信号勘测设计院(TSI)是专门从事铁路通信、信号、电力、房建及电气化防护工程的勘测设计研究的国家甲级设计单位。拥有国家颁发的工程总承包甲级资格证书,一九九六年十二月通过ISO9001国际质量体系认证。 TSI隶属于铁道部电气化工程局,自1983年组建以来,先后承揽并完成的中国主要干线铁路及国家重点工程建设项目有郑武、京郑、武衡线的通信、信号、电力、房建电气化铁路工程设计;丰大、郑洛、京秦、大秦、
Beijing Railway Communication Signal Survey and Design Institute (TSI) is a national Class A design agency specializing in the investigation and design of railway communications, signal, power, building and electrification protection projects. The company has a Class A qualification certificate issued by the State. In December 1996, it passed the ISO9001 international quality system certification. TSI is affiliated to the Ministry of Railways Electrification Engineering Bureau. Since its establishment in 1983, it has contracted and completed major Chinese main railways and national key project construction projects including Zhengwu, Jingzheng, and Wuheng lines for communication, signal, power, and house building electrification. Railway Engineering Design; Fengda, Zhengluo, Jingqin, Daqin,