The machines that process fiber raw materials (including natural fibers and chemical fibers such as cotton, wool, silk and hemp) into yarn mainly include blowing carding unit, carding machine, sliver winding machine, sliver winding machine, combing machine, drawing frame, roving machine, spinning machine, as well as new spinning machines - rotor spinning machine, air-jet spinning machine, friction spinning machine, etc.The machines that pross fiber raw materials (including natural fibers and chemical fibers such as cotton, wool, silk and hemp) into yarn mainly include blowing carding unit, carding machine, sliver winding machine, sliver winding machine, combing machine, drawing frame, roving machine, spinning machine, as well as new spinning machines - rotor spinning machine, air-jet spinning machine, friction spinning machine, etc.