1, name: frp drain grating 2, Spec: 500x200x80mm 3, material: SMC 4, Standard: EN124 5, patented product patented product !!!Name: Composite color gratingSpec: All kind of specs.Material: SMC Standard: EN124Application: roadside Drainage System, this product had been installed at: 1.Hangzhou Bay Bridge2.GZ-SZ-ZH Expressway3.other expressway in china.An exclusive supplier in China !!!PAYMENT: 30% ...