The straw baler you mentioned is the most advanced silage processing technology in China at present, which is not only high in density, but also independent of the straw baler, which can eliminate the possibility of secondary fermentation and has high working efficiency. Take 9YY-55 straw baler as an example, its working efficiency is about 5 tons of silage per hour, 50 tons a day, and the processed straw baler can be stored in the open air without fear of sun and rain.