raised floor system: 1.500x500x28/600x600x35mm 2.used in offices 3.for wires and high load 4.filled with cement raised floor systemDescription: Full steel,independent for corners support structure.Lower plate is ST14 stretched plate,surface is SPCC hard steel painted with conductive anti-static resin,foaming cement in filled,lock hole in four corners.Pedestal is pressured forming with galvanized ...