On Guangjin Road, there is a construction bank opposite the parking lot of Mingzhu North Gate, and there is an agricultural bank not far away. This is the head office of Langfang Construction Bank and Agricultural Bank. You can go and have a look. I remember this can be changed. How much is five dollars? Save it for fun. . Or if you have the opportunity to go to the airport, you can exchange it at the foreign currency automatic exchange machine at the airport, which is very convenient to operate like an ATM machine. It seems to be in the basement of T3. .