Hot dip galvanized drainage cover, easy to install,light structure, can be used for over 20 years.Compared with cost iron drain cover, the advantage of steel grating:
1.Saving material: the most economical method of using material at the same bearing condition, correspondingly, also less material of supporting structure.
2.Less investment: less material, less workman, shorter time limit of project, no need of clearance and maintenance.
3.Easy construction: fixed by installation fastener or welding, one person can finish.
4.Durable: hot-dipped galvanized, high attacking and heavy duty proof.
5.Modernization: beautiful appearance, reasonable design, good ventilation and daylight,
6.Light structure: less material, light weight, easy to be lifted and loaded
7.Dirt proof: no rain, no snow and dust