As a central bank, banks are stronger than others, while others are more targeted, such as Agricultural Bank of China and Industrial and Commercial Construction Bank, which are obviously industrial in nature. Bank of China is a specialized foreign exchange management institution. We have more than 3 trillion US Treasury bonds. Do you know who controls it? It's the Bank of China. Only the Bank of China can buy it. In addition, purchases from other countries can only be made by the Bank of China.