✔ 最佳答案
the '123' is the branch number
and as for your bank number, depends on what bank you are using, you have not mention that in here, so cannot provide that to you. but can give you an example, e.g. HSBC's bank code is 004
so, in your example:
银行代码: [u have not provide, so cannot give you, but if is HSBC, then is 004]
分行地点: [location/address of the branch of your bank a/c]
分行代码: 123
* 账号: 456789321
* 请重新输入账号: 456789321
If the sender is sending out GBP and your account is HKD
so, when the bank receive the GBP, they will convert to HKD when they've once received (the bank will use the spot exchange rate of the time that they receive the money) then will deposit HKD to your HKD account
*p.s. the bank code, you can also ask your bank, they will be able to provide to you as well