Rockwool Sandwich Wall Panel, PU Sandwich Roof Panel, Construction Material manufacturer / supplier in China, offering Polyurethane/PUR/PIR/PUR Sandwich Panels for Commercial Construction Projects Wall/Roof /Foam/EPS/Rockwool Sandwich Panels, 0.8-1.2mm Galvanized Floor Decking Sheet for Steel Structure Floor/Prefab House Building Materials, Grey White Metal Sheet PIR/PUR/PU/Polyurethane Sandwich Panel for Steel Structure/Prefab House Wall and Roof /Building Materials and so on.
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