The floor bearing plate should be installed with the following steel beams first, and then the floor bearing plate should be laid on the steel beam. Penetration spot welding with steel beams, pierced welding with steel beams in the middle, special clamping pliers to engage pressure holes between floor plates, special galvanized plug plates for plugs and floor plates and steel beams Spot welding. If it is a special-shaped cutting of the floor bearing plate with an arc area, it is cut by a plasma cutting machine, and its cut is smooth and the surface galvanized layer is complete.