... drive and dual drive forms. 2 LS-type screw machine has been widely used in various departments of the national ... chute conveyor is suitable for conveying powder, granular, small block of material, such as cement, coal, grain, chemical fertilizer, ash, sand, coke, ... materials 4 adaptable, easily installation and maintenance, long life. 5 small size, high speed, rapid and uniform conveyor. 6 ISO9001: ...