... Heat Preservation 4.Fireproof&Waterproof 5.CE&ISO Fast Construction Interior Wall Panel System Brand: BOYUEJIAComposition: Calcium ... partition on steel or concrete structure building ,for new construction, additions or renovations.Advantages: Light weight, sound insulation ... insulation and preservation, water proof, fire proof, fast construction, save space and so on.Description:Sandwich Panel (FPB ...