1.The artifact is simple .The operation is convenient and it is a good helper of household . 2.The machine can combine with electromotor, tractor, diesel engine and tricycles which is more suitable for the region where lack of electric. 3.The knife is made of high quality rolled steel, durable. 4.The high impact bolt makes it safe to be used. 5.The machine has short, empty, long three gear, can make long and short grass for feed various living the livestock. 6. Low noise, good stability, wet and dry stalk are both fit. Model9z-9a9z-6a9z-4c9z-2.5 Motor(kw)157.55.54 Length of processed hay(mm) is from 12mm to 35mm. Applied to smash cotton, maize, reed, sorghum straw, etc.