Pressing guide is also called rail clips, it is the joint part for the guide rail, it has types of T- type pressing guide, solid pressing guide. Solid guide rail is also named as the machining guide, which is formed by machining guide surface and the connecting portion. Elevator guide rail is to provide a guide in the running of the elevator car. 

Hollow guide rail is used on counter weight frame, it provides guidance for counter weight system during elevator movements. Any defective will cause counter weight system imbalance and bring impacts to cartmovement, and comfort. Unstable of counter weight movement will even causing the hauling rope slips, it is hazardous to the elevator