... protection 3Sound Insulation, Sandwich panelComposition: MgO panel + EPS or XPS panelSize: 1220mm*2440mm, 1220*2950mmThickness: ... through auto forming machine. We can supply kinds of sandwich panels, both for walls and roofs, including: EPS sandwich panel series, ... rock wool sandwich panel series, glass wool panel series, and PU sandwich panel series. We can ...