方向易变，可灵活改变输送方向，最大时可达到180度；
The direction is changeable, and the conveying direction can be flexibly changed. The maximum can reach 180 degrees.
输送机，每单元由8只辊筒组成，每一个单元都可独立使用，也可多个单元联接使用，安装方便；
Conveyor, each unit is composed of 8 rollers, each unit can be used independently, or multiple units can be connected to use, easy to install;
输送机伸缩自如，一个单元最长与最短状态之比可达到3倍。
Conveyor flexibility, a unit of the longest and shortest state of the ratio can be 3 times.