Located on the upper part of the main stage and adjustable in speed, it is mainly used to enhance the front eaves curtain, emblem curtain, veil curtain, side eaves curtain, second and third curtains, black and white canopy, as well as various performance sets, props, etc. The suspension rod can operate independently or be combined with several units synchronously to participate in performances, making it the most frequently used equipment in theaters. The lighting boom is placed on the upper part of the main stage, used to hang lamps and provide top and back lighting for stage performances. There is a wire winding device on the pole body.