Not tall. The first-hand mortgage interest rate of Bank of Communications is not high, 3.7. Under normal circumstances, the mortgage interest rate is between 3.5 and 4.0. So it's not high. BankofCommunications (BCM) was established in 1908. It is one of the six largest banks in China, one of the oldest banks in China, one of the modern note-issuing banks in China, and a large state-owned commercial bank.