... coal, food, coke, stone,chemical,cement lines 3,Model:TH315,TH400,TH500,TH630,etc UseBucket elevator produced by my factory upgrade machine ... lower section with pulled tight drum, middle machine shell, driven device and check brakes, ... as coal, sand, coke, cement and water ore,.Transmission capacity of this machine is ... a variety of application requirements, this machine has a different system of making ...