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Contact SupplierOperating from Zhejiang, China, we are one of the leading manufacturers, suppliers and exporters of Rock Wool Sandwich Panels. Our rock wool sandwich panels are of optimum quality with a surface up and down of galvanized steel or galvanized and pre-painted steel. The core material is rock wool which comes with a density of 100kg/m3. Our rock wool sandwich panels have high strength vesicant between rock wools and surfaces. The rock wool sandwich panels are featured with complete anti-firing, more heating & sound insulation. It is widely used as walls or roof for cold storage, industrial workshops, public buildings etc.