50mm 75mm 100mm Rock wool sandwich panels is one kind of sandwich panels,which is combined by rock wool as core material and two steel sheets on up and down side.
50 mm Insulated Fireproof Rock wool Sandwich Panel Wall Panel for Workshop Building Warehouse/Cold Room Mineral 75 mm 100 mm 150 mm Wool Panel Fireproof Rock wool Sandwich Wall Panel
Al-Mg-Mn Alloy Sheet for building ,The corrugated steel sheet is made by cold-rolled steel plate, electro-galvanized steel plate, hot-dip galvanized steel plate or galvanized steel plate as substrate after surface degreasing, phosphating, chromate treatment, and coated with organic coating. .