tianjin fire research i titute of the ministry of public security tianjin fire research institute of the ministry of public security tianjinfireresearchi tituteoftheministryofpublicsecurity
公安部长: minister of public securitypublic security minister
公安部法规局: the bureau of policies and regulatio of the ministry of public securitythe bureau of policies and regulations of the ministry of public security
内政和公安部: ministry of the interior and public security
