The lift can be connected to the production line of the double-layer or multi-layer workshop, due to the site or other reasons in many cases will be A set of production lines in multiple floors, this time it is necessary to use the lift to transfer the product in the process from A floor to B floor or C floor, the lift is characterized by the first to meet the process beat (high frequency will reach 10-20 seconds), The operation must be stable, otherwise the fault may cause the overall shutdown.