... Materials:Q235 & Q345 Certificate:ISO9001:2000 ,ISO14001:2004 A new stable Steel structure warehouse Steel plant mainly refers to ... is the single tile (color steel tile). The second is a compositeplate (polystyrene, rock wool, polyurethane). (Two layers of ... ISO14001:2004Main componentsH beam, Purlin ,sandwich panel, C purlin,Z purlin ,bolts and other fittings.Installation(1) Detailed instruction sheet ...