C 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.
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.
PU sandwich panel is the top grade new building material with thermal insulation, load-bearing, fireproof, low thermal conductivity, easy installation, rich colors, beautiful appearance and etc.