It is the oldest bank in mainland China and is headquartered at Xicheng district, Beijing. The bank ‘s origin can be traced back to 1905 when Daqing Hubu bank was established which was later renamed to Daqing bank and finally Bank of China.Bank of China is China’s most diversified and international bank and provides services to customers across China, Hong Kong, Taiwan, Macau and 377 countries. The bank provides commercial banking and includes corporate banking, personal banking and financial market services. Total Assets: $2458.3 B, Profits: $27.5 B, Market Value: $199.1 B, Return On Assets Ratio: 1.12%.