What do you mean by references? Refers to the units or individuals that introduce foreign investors to invest in this city and substantially contribute to the project landing. According to the inquiry of official website of the World Wide Web, among the social recommenders of attracting investment in Bengbu, the recommenders refer to the units or individuals that introduce foreign investors to invest in this city and make substantial contributions to the project landing, including corporate executives, investment intermediaries, financial institutions such as chambers of commerce, funds or banks, lawyers or accounting firms.