1. The machine has a aesthetic appearance with small body. Although it only cost a little power, the transportation capacity is very large. 2. Reasonable and reliable transportation structure system; head wheel is with rubber that can be anti-friction able. 3. Buckets are made of high strength polyethylene. 4. The bucket belt is made of nylon so the anti-tensile strength is strong, the extension rate is low and the life time is long. 5. There is a backspin system in elevator, so when the power is stopped accidentally and elevator stops working but grains won抰 fall back down into the elevator base, or if workers are checking the machine when it is stopped, the belt will not move back in case of injury.