• Port of Tianjin
    the original on 12 September 2012. Retrieved 11 March 2012. "天津市船厂". 中国企业信息交流中心. 21 March 2005. Archived from the original on 17 June 2012. Retrieved...
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  • Port of Tianjin governance, traffic management and law enforcement
    单位信息 – 组织机构". 交通运输部北海救助局. 14 August 2008. Archived from the original on 26 April 2012. Retrieved 10 March 2012. "全国第一支省级海上搜救志愿者队伍在天津市建立". 中国海上搜救中心 (China...
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