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China academy of railway sciences
Tonghao Beijing railway industry group co. LTD
Beijing whole road communication signal research and design institute co. LTD
China railway first survey and design institute group co. LTD
China railway no.2 engineering group co. LTD
Railway third survey and design institute group co. LTD
China railway fourth survey and design institute group co. LTD
Helpline：021-63177969-111
Support：021-63177969-120
Address：2nd floor, building C, no.300 yuankang road, baoshan district, Shanghai
Zip Code：200070
Tel：021-63177969
Railway Phone：041-35076
Fax：021-63177313-201
E-mail：shrhdz@163.com
