What bank does Binance use?

Could you please clarify for me which bank Binance utilizes for its financial transactions? I'm curious to know if they have a specific partnership with a major banking institution, or if they employ a range of different banks for their operational needs. I'm also interested in understanding the banking relationships Binance maintains, as they could potentially impact the speed, security, and overall efficiency of their services. Could you provide some insight into this matter? Thank you in advance for your assistance.