Uncategorized High quality roadway U type FRP composite concrete water drainage channel Posted February 15, 2021 echenou micheal High quality roadway U type FRP composite concrete water drainage channel Road Drainage Steel Grating Trench Water Channel Road drainage channel Polymer concrete channel 1. Features: 1) high strength,light weight , Non-freezing 2) Flat surfaces 3) Better strength to corrosion resistant 4) Water absorption below the 0.2% 5) good accuracy. 6)Easy to install convenient . 7)Resistance to could and UV
