... powder→Filled with foam cement→Cement solidification→The veneer attached to a steel plate→finishedNO1:The floor surface, the floor ... opening the floorNO6:For tenants and customers, it may to be moved to the new office to be re-used at any time,and lower ... by aging, short circuit, accidents and other worries and troublesNO8:it's for large offices, computer rooms, intelligent buildings, securities ...