On February 2, 2018, in order to further strengthen mutual exchange and cooperation, strengthen interaction among associations, promote resources sharing, better serve Tianjin enterprises, contribute to the social and economic development of Tianjin, Tianjin Sister-City Council for the Promotion of Enterprises, Tianjin Foreign Economic Cooperation Association, Tianjin Chamber of Commerce for Import and Export, Tianjin Council for International Investment Promotion, Tianjin Foreign-Invested Enterprises, Tianjin Foreign Enterprises Human Resources, Tianjin Cruise and Yacht Association, China Council for the Promotion of International Trade Tianjin Sub-Council and Tianjin Customs Brokers Association signed friendship agreement in accordance with the principle of mutual trust.