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天(tian)津(jin)鐵(tie)(tie)路信(xin)號有(you)(you)限責任公(gong)(gong)(gong)司（以下(xia)簡稱(cheng)“津(jin)信(xin)公(gong)(gong)(gong)司”）始建(jian)于1939年(nian)(nian)，是(shi)中國(guo)鐵(tie)(tie)路通(tong)信(xin)信(xin)號股份有(you)(you)限公(gong)(gong)(gong)司下(xia)屬通(tong)號（西(xi)安(an)）軌道交通(tong)工業(ye)集團有(you)(you)限公(gong)(gong)(gong)司的(de)全資子公(gong)(gong)(gong)司，國(guo)資委所屬中央駐津(jin)企(qi)業(ye)。津(jin)信(xin)公(gong)(gong)(gong)司早在解(jie)放前就(jiu)開始生(sheng)產鐵(tie)(tie)路機械信(xin)號設(she)備(bei)，從事鐵(tie)(tie)路信(xin)號系(xi)統設(she)備(bei)的(de)設(she)計、制(zhi)造和安(an)裝，至今(jin)已有(you)(you)80余年(nian)(nian)的(de)歷史，是(shi)中國(guo)鐵(tie)(tie)路行業(ye)的(de)先(xian)驅性企(qi)業(ye)之一。津(jin)信(xin)公(gong)(gong)(gong)司座落在天(tian)津(jin)市(shi)(shi)東麗(li)區馴(xun)海(hai)(hai)路，東望(wang)濱海(hai)(hai)新(xin)區、西(xi)至天(tian)津(jin)市(shi)(shi)中心(xin)、南接(jie)津(jin)塘公(gong)(gong)(gong)路、北靠濱海(hai)(hai)機場(chang)，有(you)(you)鐵(tie)(tie)路專用線與京山(shan)鐵(tie)(tie)路直(zhi)連，占地面積400余畝，生(sheng)產區域(yu)寬敞(chang)、作業(ye)環境(jing)優良(liang)。