multi-storey steel warehouse 1.high strength 2.fireproor&insulation 3. ... panel, rock wool sandwich panel & PU sandwich panel.Introduction of multi-storey steel warehouseSteel prefabricated building is an pre-engineered steel ... installation, stable structure, earthquake proofing, water proofing, energy conserving and environmental protection, etcAdvantages:1. Wide span: single span or multiple spans ...