... electricity wire,light,switch,socket,electricity box(220V)CeilingPVC ceiling boardConnection fittingsScrew ,ridge,Sealant ,Brace and so on ... the practical application, the house can be chosen the ceiling , assemble ground,light steel keel partition wall, wood ... can be widely used as office room,meeting room, commanding room, dormitory, storehouse, shop, tair-room-adding project and various temporary ...