... suitable for milling raw material like tree branch, cotton stalk, corn stalk, wheat straw etc) with size less than 50mm(diameter). After ... whosediameter is 3-5 mm.The durable hammer mill works with high efficiency and gains more good reputation from European usersOur ... materials of < 50 mm (diameter),< 300 mm (length), such as tree trimmings, wood pieces, crop stalks, rice husk, cotton stalk, cottonseed ...