Generally, chain electric hoists are used
◆ Lightweight design
◆ The rotary arm is a sturdy flexible or rigid track
◆ Can be installed on weaker foundations
◆ The small car can be pushed effortlessly by hand
◆ The column can be made of square or circular tubes
◆ Smooth rotation of the rotary arm, easy to manually rotate
◆ Adjust the travel of the car through a buffer