*This product has a high load-bearing capacity with the anti-impact property.
* Cover and frame are joined by a hinge. It is anti-theft, safe, and easily open.
* If use steel, Large area for water leakage with hot-dip galvanizing surface treatment, attractive and durable.
* Beautiful appearance, shiny surface
* Type of steel grating
W-pressure welded grating
L-pressure locked grating
C-socket welding grating