The main beams of the double girder crane bridge are often made of I-shaped steel or a combination section of steel shapes and steel plates. The crane trolley is commonly a hand winch or an electric trolley.

Gourds or components assembled with gourds as lifting mechanisms. Widely used for lifting goods in various situations, prohibited in flammable, explosive, and decaying environments.

For use in corrosive medium environments. Equipped with both ground and aerial operation modes. Ground operation includes operation with a wired handle and remote control handle.

Available in two types; airborne operation refers to the operation in the driver's cabin. The driver's cabin comes in open and closed styles, which can be installed on either the left or right side depending on the actual situation.

Two forms available, with side and end orientations to cater to users' varied needs. Double-beam bridge

Mechanical cranes are widely used in mechanical manufacturing workshops, metallurgical workshops, oil and petrochemical industries, ports, railways, civil aviation, power stations, papermaking, and more.

Construction workshops, warehouses, and material yards in industries such as building materials and electronics. Features include compact dimensions, low net building height, light self-weight, and wheel load.

Minor advantages.