... 3Plain,Serrated,I-shape 4.Competitive price Galvanized Steel Grating (Real Factory) Raw materials: Low carbon steel, ... StainlessApplication:Structure, Floor ,Grating etc. Popular Specification at below:Load bar size(mm ... x 5192017801610228021201920173016101460206019201730 We are a professional manufacturer for Steel grating , if you have any questions, please feel free ...