If the bank remits money to Taiwan Province Province and directly holds NT dollars, the bank will convert it into US dollars and remit it back to the mainland.
Please prepare telegraphic transfer-> Counterparty's name/bank name/account number/contact number
Bring the seal of Taiwan Province ID card to the foreign exchange department of banks in Taiwan Province Province to fill out the remittance slip (English is not required).
The cost is about 600 yuan (about 120 people), and it will arrive in about 3~7 days. Just go to the foreign exchange department of the bank.
A banker who has no problem with the formalities will help you out.