Sandwich panels are cost-efficient prefabricated elements that consists of an inner insulation core between two color-coated steel sheet layers. The insulating core can be mineral wool or polyisocyanurate.In addition to sandwich panels, we offers a wide range of steel construction materials and tools needed for their installation.
Z steel channel is made of galvanized steel strips by the method of cold-bending formed.The surface treatment are galvanized or bare. It has many advantages compared with traditional structural steel, such as light weight, excellent performance cross-section, high-strength and so on