... years experience. 3 material: stainless steel, galvanized,FRP,etc. 4. 50mmx200mm hole Steel bar gratingSteel bar grating is the product in accordance with ... and anti skid.Material: stainless steel, galvanized, FRP,etc.Surface treatment: hot dipped galvanized, PVC coated, painted, etc.Wire Mesh Gratings ModelSpecification ...