How to end an email to a company

https://www.english-at-home.com/business/how-to-start-and-end-a-business-english-letter-or-email/

https://www.boomeranggmail.com/l/etc/how-to-end-an-email.html

https://www.quora.com/How-do-you-end-an-email-when-writing-to-someone-you-dont-know-well