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Rock wool board insulation ceilingRock wool board insulation ceiling is excellent insulation material suitable for medium and large diameterpipe, small and medium-sized tanks, and equipment with small surface curvature or irregular surface.The introduction of advanced Japanese mineral wool board production process, using the European green standard testing,monitoring, introduction of European-style Italian production of light steel keel production system. Selection of the mainraw material for the recovery of mineral fiber refining slag, the addition of organic fiber for recycling old newspaper