galvanized grating 1.resist to atmospheric corrosion 2.high tensile 3.attractive appearance 4.GB,AISI Grating Description1.Material: low carbon steel2.Surface treatment: hot dip galvanized, coated, uncoated3.Product advantages: material savings, reduced investment, construction of simple, durable, modern style, structure, lightweight, anti-dirt accumulation, reduce air resistance, design is ...