Bank of China Limited, together with its subsidiaries, provides a range of banking and related financial services in the People's Republic of China and internationally. It operates in six segments: Corporate Banking, Personal Banking, Treasury Operations, Investment Banking, Insurance, and Other Operations. The Corporate Banking segment offers current accounts, deposits, overdrafts, loans, trade-related products and other credit facilities, foreign exchange, derivatives, and wealth management products to corporate customers, government authorities, and financial institutions. The Personal Banking segment provides savings deposits, personal loans, credit and debit cards, payments and settlements, wealth management products, and funds and insurance agency services to retail customers. The Treasury Operations segment is involved in the foreign exchange transactions, customer-based interest rate and foreign exchange derivative transactions, money market transactions, proprietary trading, and asset and liability management. The Investment Banking segment offers debt and equity underwriting and financial advisory, stock brokerage, investment research and asset management, and private equity investment services, as well as sells and trades securities. The Insurance segment underwrites general and life insurance products; and provides insurance agency services. As of December 31, 2017, it had a total of 11,605 institutions, which included 11,060 institutions in Chinese mainland; and 545 institutions in Hong Kong, Macau, Taiwan, and other countries. The company is also involved in the aircraft leasing business. Bank of China Limited was founded in 1912 and is headquartered in Beijing, China.