China Galvanized Steel Bar Grating Floor Drain Manhole Rainwater Drainage, Customized Trench Cover, Find details about China Outdoor Drain Cover, Drain Cover Bar Grating from Galvanized Steel Bar Grating Floor Drain Manhole Rainwater Drainage, Customized Trench Cover
Trench Drain Cover Gratings are steel lattice panels formed with simple lines, secured with hinged lid and connection. Ideal replacement drainage covers for conventional cast iron materials. Suitable for light type and large span heavy loading environment. Widely used in sewage treatment system in urban roads, squares, gardens, docks, airports, parking lots, roads, railways, industrial engineering and other types of industrial buildings.