... .Wide range of hoisting materials. 2.Easy operation and high reliability. 3.Smooth running. 4.Small drive power. 1.SummaryTD,D type of ... to transporting materials vertically such as powder,pellet, particulate with less surface friction,for example food,coal,cement, granular ... running,charging by digging,discharging by centrifugal force,the temperature of materials is not higher than 60°C;TD type ...