The following is a detailed introduction of the advantages of galvanized iron sheet: 1. The appearance is bright and clean, and the reasonable layout has a unique grid. 2. The installation is low-cost, and the overhead galvanized iron sheet is wrapped around the insulation pipe, which is directly sold by the manufacturer, with small installation space and few nodes; 3. Good compressive strength and stiffness; 4. The wall thickness can be selected in a large range; 5. Strong corrosion resistance, suitable for all kinds of strong alkali, alkali fog and other strong corrosive environments; 6. Specifications and models can be customized according to customer regulations and professional design schemes; 7. Anti ultraviolet light, the application period of outdoor empty shelf is about 15 years, and it can reach 30 years in the room; 8. The process of commodity standardization is high, and all components are standardized, which saves raw materials, is conducive to storage and reduces delivery time; 9. The processing of air duct adopts continuous spiral undercut structure, which has the advantages of good tightness, firmness and non corrosion.