Column-type manual jib crane is a new generation of light hoisting equipment made to adapt to modern production. It is equipped with a highly reliable electric hoist, especially suitable for short-distance, frequent use and intensive hoisting operations. It has the advantages of improving efficiency, energy saving, It has the characteristics of saving trouble, small footprint, easy operation and maintenance. Jib cranes (jib cranes) have the advantages of compact structure, convenient operation, stable operation of the mechanism, stable rotation, no shaking and no noise. Lifting heavy objects in high-end electrical equipment, new energy products, biomedicine, production lines in various laboratories and loading and unloading places. Different two-speed lifting speeds of the hoist, two-speed trolley, two-speed swing and other special requirements can be customized, which has a strong advantage in precise product positioning.