1.Eco-friendly,Innocuous,anti aging,weather fastness 2.Peaceability,water-retaining property properties of product1.The products is packed in monobloc units, the stability of quality is good, the controllability of capacity is also good,2. Eco-friendly,Innocuous,anti aging,weather fastness,fireproof performance A,sound absorption,ventilate,heat insulation,low water absorption,low contraction- ...