we've been happy to introduce our most recent engineering machines able to working at speeds exceeding five hundred RPM. we have been the only real maker presenting machines with this particular amount of velocity, https://www.youtube.com/watch?v=-nQTR6bXhfU&list=PLZ3DkIWtVYetfvXsAvY04--yisQJg2WWI&index=9&pp=iAQB