... and USA ABS certificate.Our leading products:FRP molded grating, pultruded grating, Pultruded profiles, etc.GRP grating have excellent ability: corrosion and chemical resisitance ... weight, no slip, high strength, long service life.specifications of molded grating:Panel Size 4'x12', 4x8', 3x10' 4'x12', 4x8', 3x10 ...