Dear @user-kw7yw4ro5k, yes, the Rieter R 37 is a double sided semi-automated rotor spinning machine. Find out more here: www.rieter.com/zh/%E4%BA%A7%E5%93%81/%E7%B3%BB%E7%BB%9F/%E8%BD%AC%E6%9D%AF%E7%BA%BA/%E8%BD%AC%E6%9D%AF%E7%BA%BA%E7%BA%B1%E6%9C%BAr-37 (Chinese) or here: www.rieter.com/products/systems/rotor-spinning/rotor-spinning-machine-r-37 (English).