fiberglass grating--Over 16-year production experience anti corrosion,anti ageing light weight insulation fire resistant Higoal is the biggest fiberglass grating manufacturer in south China, fiberglass grating / frp grating / grp grating application include floor systems, walkways, work platforms, stairs, ramps, trench covers and catwalks, Higoal integral, long-lasting anti-slip top surface makes ...