The grating was made from pure resin and poly fiber with steel frame inside. This innovative material can provide a high quality standard of using We cover a 50 thousand square meter plant who now is the most professional manufacturer of composite infrastructure products. There are 12 hydraulic pressure machines ranges from 200 tons to 1,600 tons and more than 500 molds for different products,  a 100 tons' load capacity testing facility.Our composite manhole covers is well used in Real Estate Project,Road Safety area and Power plant. Application:Bridge walkways,Platforms,Trench Covers,Walkways,Pedestrian Ramps,Decks and Patios End use market :Chemical industry,petroleum exploitation,Power plant,Waste water treatment plant,Food processing plant.   Products show