... m3Crest height:40mmThickness for rockwool: 75mm-200mmThickness for steel sheet: 0.3mm-0.6mm 1)rockwool sandwich panels2)light ... Color)5. Certificate : ISO9001:20006.Variety: H-beam (flat sheet, profiled sheet), matchboard, corrugated sandwich panel Detailed Product Description Model No. ... model, hidden screw model, self-locking model, steel tile sheet, as per your requirements.Add: 1. We can supply ...