... dryers for drying slag, limestone, coal powder, clay, sawdust, oil palm fiber, coconut fiber, grass, river stone, poultry dung, ... , supporting device and sealing ring, feeding device, discharging device, gear, gearbox, electric motor, cyclone dust collector, furnace and etc. ... factory: innner structure We have successfully established 3 such oil palm fiber drying line in Malaysia, which operated very ...