104290045022. According to the information query on the official website of the Bank of China Shanghai Yangtze River Delta Integration Demonstration Zone Branch, the bank number of the business department of the Bank of China Shanghai Yangtze River Delta Integration Demonstration Zone Branch is 104290045022. Bank of China is a large state-owned bank in China and one of the important members of China's financial system. Bank of China is committed to providing customers with high-quality financial services, including deposits, loans, foreign exchange, settlement, credit cards, insurance, investment, online banking and other services.