Ral ppgihas the characteristics of strong corrosion resistance, good rust resistance and high surface quality, so it is used to make roof panels, wall panels, doors and Windows, Bridges, highway guardrail, road light poles, home appliance shell, metal structure, grain storage and transportation equipment, meat and aquatic products freezing processing equipment, packaging equipment, etc. The production of galvanized coil mainly adopts continuous galvanizing process, and the rolled Steel laminam continue baptizari in fis zinc cisternina ad formare galvanized ferro laminam.