There are no restrictions on any foreign banks, as long as they can remit money overseas. Most importantly, all the information you need is written in the first article.
You can remit euros to your account. There is a foreign exchange quotation sheet on the website of Bank of China. All the above currencies can be used for overseas remittance. Doesn't online banking have the option of settlement and sale of foreign exchange, can it be directly converted into RMB?