1. long service life 2. green environmental 3. automaic protection 4. automatic adjustment 5. remavable 1. It can even pressing all kinds of corn stalks, straw, rice husk, wheat straw, wheat shell, wheat bran, beans straw, cotton straw, residue, twigs, leaves, wood chips, sawdust, hay, discarded bag, and all the things can be compressed garbage.2. It has small size, light weight, small power ...