1 ) Movable and fixed. The conventional accessories of aluminum alloy scaffolding are casters. Casters with brakes belong to the universal type, so they are very convenient to move. When the construction height exceeds 30 meters or the load-bearing requirements are high, the bottom casters can also be replaced with foot supports for better stability. 2 ) It can be installed in different styles. According to the actual needs of high-altitude engineering operations, set up bridges in shopping malls and swimming pools; hang floating in airports, hospitals, and theaters; erect towers in buildings, hotels, and schools; in power plants, electric power, civil aviation, petrochemicals Special industries such as, shipbuilding and other industries are set up as modular; there are single-width, double-width, cantilever, suspension and so on. In general, aluminum alloy multifunctional scaffolding can be composed of various styles and shapes. 3 ) Applicable field by a very wide range. The industries mentioned above are only a small part. Narrow working spaces such as doors, elevators, boilers, and water tanks; large spaces such as exhibitions and railways can be perfectly coped with.