Trolley is mainly used for the lifting mechanism, such as electric wire rope hoist, electric chain hoist, manual chain hoist etc. Also supporting the use of crane, with the use of these devices, these products can be more flexible and convenient when used. The lifting equipment can lift the weight in the vertical direction, but it is not convenient to move the weight in the horizontal direction. At this time, it needs to be used with a sports car. It can easily move the weight in the horizontal direction of movement, so that the weight reaches the specified position. The operation is convenient, safe and reliable, and the result is compact and lightweight. It is mostly used in factories, docks, warehouses and transportation industries.