●This series of bucket elevators are the improved model of the TD series， which have larger delivery capacity. This machine could be used to vertically deliver powder, particle and small-piece materials，such as coal, sand, coke, cement and crushed ores. The GTD series have six models， namely, GTD400， GTD500， GTD700, GTD800，GTD1000 and GTD 1400. The cross arrangement of double (four)buckets isused to increase delivery capacity. The free tensioning with weight is used toensure the reliability of delivery.