Features Adopted international advanced technology; knives could be alternated with imported ones. With feed-in and feed-out screw, each screw could work independently and each screw with two speeds. Working speed could be adjusted according to different products in order to get best effect. Reasonable design to the pitch of screw. Unique spiral arrangement to the screw. Process inching to reverse running. Fast dismantle handle can easily pull out feeding screws. Imported knife material.