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Made in china nice looking vfd speed building lift elevator

1.Malfunction diagnosis and display, remote monitor and control, platform management and logical control are realized by frequency conversion control. The warranty period is 18 months. The control system can be increased with engineering integration configuration, while the frequency conversion converter goes wrong, the control system can be converted to power frequency by a rotary switch so that it will not delay the construction period.

2.The wire rope for counterweight is straightened to make service life longer. The pulley for wire rope is surrounded by 

3 sides to avoid rope skipping. 

3.The needle roller bearing is used for roller, the service life is 4~5 times of ball bearing.

4.The door of the cage is able to flip, it can be used as bearing platform, so outside scaffolding is not required