1. Noise will be generated Because the motor follows the platform, it will inevitably generate some noise, which is likely to reach our users' ears, but it is very likely for users with silent obsessive-compulsive disorder. Can't adapt.
2. The running speed is too slow Because its mechanical structure is limited, so its running speed will not be too fast, compared with other elevators, there will be half the gap, so for those who are in a hurry, Very unsuitable.
3. Not suitable for high places Because the height of the elevator is limited, especially screw elevators are rare in high-rise buildings, but for some places where height requirements are not high, such as villas and small commercial places are very Suitable for use.
