In order to cope with the special working environment of the chain hoist: when the environment changes, the material has to change. 

Explosion-proof chain hoist: made of copper alloy, friction will not produce sparks. It is specially used in flammable and explosive places such as chemical plants, gas stations, coal mines, etc., and requires safety guarantees. 

Stainless steel/aluminum alloy chain hoist: it has strong corrosion resistance and is mainly used in humid or high hygiene scenarios such as food processing, marine engineering, and pharmaceutical workshops. 

· In order to meet different installation and structural needs: space is limited, and the shape has to be changed accordingly. 

· According to the outline, there are compact and mini types suitable for operation in narrow spaces, as well as 360-degree rotating types that are easy to operate from multiple angles.