Seismic support is a kind of component or device that restricts the displacement of attached electromechanical engineering facilities, controls the vibration of facilities, and transfers the load to the bearing structure. The seismic support should provide reliable protection to the mechanical and electrical engineering facilities in the earthquake and withstand the earthquake from any horizontal direction; Seismic support should be checked according to the load it bears; All components of the seismic frame shall be made of finished components, and those connected to fasteners shall be easy to install. After seismic strengthening of the building water supply and drainage, fire protection, heating, ventilation, air conditioning, gas, heat, electricity, communications and other mechanical and electrical engineering facilities, when encountered in the region of seismic fortification intensity at the time of the earthquake, to reduce the earthquake damage, reduce and prevent the occurrence of secondary disasters, as far as possible so as to achieve the purpose of reduce casualties and property losses. The finished support is a support system that is directly produced by the factory to shape channel steel and various connecting parts, and then assembled by the construction personnel on site. It is used to replace the traditional Angle steel and channel steel support, eliminating welding, painting and other links. 1. Realize modular/standardized production of channel steel and parts, which can improve production efficiency and reduce labor cost; 2. The finished support system is easy to install and maintain (spare parts are easy to purchase), which has the advantages of shortening construction period and reducing maintenance time. 3, through the assembly of different accessories can flexibly match into a variety of production needs of the style, to meet various construction environment. It is mainly used in building water supply and drainage engineering, building electrical engineering, building hvAC engineering, solar photovoltaic system, subway support system and other systems.