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天津(jin)(jin)鐵(tie)路信號有限(xian)(xian)責任公(gong)(gong)(gong)(gong)司(si)(si)（以下(xia)簡(jian)稱“津(jin)(jin)信公(gong)(gong)(gong)(gong)司(si)(si)”）始建于(yu)1939年，是(shi)中國鐵(tie)路通信信號股份有限(xian)(xian)公(gong)(gong)(gong)(gong)司(si)(si)下(xia)屬(shu)通號（西安(an)）軌道交(jiao)通工業(ye)(ye)集團有限(xian)(xian)公(gong)(gong)(gong)(gong)司(si)(si)的全資子公(gong)(gong)(gong)(gong)司(si)(si)，國資委所屬(shu)中央駐(zhu)津(jin)(jin)企業(ye)(ye)。津(jin)(jin)信公(gong)(gong)(gong)(gong)司(si)(si)早在解放前就(jiu)開始生產鐵(tie)路機(ji)械信號設備，從事鐵(tie)路信號系統設備的設計(ji)、制(zhi)造和安(an)裝，至今(jin)已有80余年的歷史，是(shi)中國鐵(tie)路行業(ye)(ye)的先(xian)驅性企業(ye)(ye)之一(yi)。津(jin)(jin)信公(gong)(gong)(gong)(gong)司(si)(si)座落在天津(jin)(jin)市東(dong)麗區(qu)馴海(hai)路，東(dong)望濱(bin)海(hai)新區(qu)、西至天津(jin)(jin)市中心、南(nan)接津(jin)(jin)塘公(gong)(gong)(gong)(gong)路、北靠濱(bin)海(hai)機(ji)場，有鐵(tie)路專用線與京(jing)山鐵(tie)路直(zhi)連(lian)，占(zhan)地(di)面(mian)積400余畝(mu)，生產區(qu)域(yu)寬敞、作業(ye)(ye)環境優良(liang)。