In September 2017 BDB signed an agreement with the Export-Import Bank of China for the amount of EUR 50,000 thousand. This was the first loan agreement, following a Memorandum of Understanding signed in 2014 between the two institutions and setting their interest in join financing of key projects. The purpose of the loan was to finance the overall lending activity of BDB, a short-term and mid-term trade financing, trans-border economic and commercial transactions between China and Bulgaria.

In December 2023 BDB signed a new Facility agreement with China Exim Bank in the amount of EUR 50 million. The funds under the agreement are intended to finance the credit activity of BDB. The loan is unsecured.