1. This ditch covering grating is good looking, easy to install, and excellent for drainage.
2. It is often used for roads, streets, factories, rapid transit systems, subways, sport, grounds, parks, industrial zones, parking lost, filling stations, etc.
3. 4 corners of th frame can be inserted to drainge pit cover.
Manufacturing instructions to Hot Dip Galvanized Grating:
(1) The hot-dip galvanized grating must be welded by a resistance welder, and can not melt the parent metal.
(2) Material: SS-400 steel.
(3) 3.0t Galvanizing Amount: over 500g/m2 ; 4.5t Galvanizing Amount: over 610g/m2.