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
A sandwich panel is one structure made of three layers of material: low density core inserted material in between two relatively thin steel skin layers.
The sandwich panels can be used in large industrial plants,warehouses,supermarkets, hospitals, stadiums, cold storage, activities room, buildings plus layer, clean workshop and heat insulation fire place.