Yes ICBC supports the exchange of Hong Kong dollars. Customers can exchange Hong Kong dollars into RMB as long as they bring their ID cards and industrial and commercial cards to any ICBC outlet. ICBC Online Banking RMB Exchange Foreign Exchange Process:

1. You need to register online banking at the counter of ICBC outlets.

2. After running online banking, log in to ICBC online banking and enter the online banking menu.

3. There is "Personal Foreign Exchange Business" at the top of the online banking page. Click to enter, and then select "small purchase of foreign exchange". On the page that appears, just select Hong Kong dollars. 1 HKD ≈0.8862 RMB 1 RMB ≈ 1. 1284 HKD. There are also money changers in airports, railway stations and other places. You can exchange money through these machines. But you need to pay attention to the handling fee and exchange rate.