It is suitable for the work environment without power.
Safety and simply maintenance.
Compact structure and small package size.
It's so high transmission efficiency that do need less output.
It can be drived in a small turning diameter.
The hinge linkes the left and right side plate to guarantee equal force.
Regularly fill the grease on the bearings and rail surfaces. Meantime check whether there is any loose on the firmware.
If there are any anomalous situations, stop using the product immediately and Check the cause to remove it .
Regularly maintenance is needed.