Mainly the government, foreign enterprises invest in China, domestic enterprises export trade, and tourists travel to China, etc., they will bring foreign exchange-US dollars, and exchange them with banks for RMB for domestic use. The foreign exchange converted by banks will be turned over to the central bank, which has a foreign exchange administration, and then it will invest these foreign exchange to preserve and increase its value!

private individuals can also buy them, and they can buy them through the websites of foreign banks or the US Treasury Department, but the quantity should be very small. Generally, it is not included in the total government holdings!

References: please indicate the source of the old uncle's works in the cornfield.