Reliable. Bank of Communications is one of the six largest banks in China, one of the oldest banks in China and one of the modern note-issuing banks in China. Is a large state-owned commercial bank, protected by official website certification law. A stable pension is a very reliable endowment insurance product for banks. Bank of Communications is one of the major financial service providers in China, covering commercial banks, securities, trusts, financial leasing, fund management, insurance and offshore financial services.