Industrial and Commercial Bank of China, China Construction Bank and China Bank can exchange all kinds of foreign currencies, but the procedures are a little troublesome. You need to apply to the bank in advance to write a note stating the type and quantity of foreign currency to be exchanged.

If you only change 100 yuan, you can change it directly at those foreign currency exchange points outside, Luohu Railway Station, take the subway to lo wu station Exit A, there is a small shop on the left hand side of the stairs on the first floor near the ground floor, behind the Dongmen Clinic 1 bus stop, and there is also one opposite the Cooperative Finance Building.