galvanized factory direct sale steel trench cover grating 

galvanized steel grating,

galvanized serrated grating, 

galvanized bar grating, floor grating, trench grating. 

trench cover grating is made by welding with flat steel and bars with certain distances. It goes through cutting, opening, edging and other processes. The products enjoy the feature of high strength, light structure, high bearing, convenience for loading and other propertier. The hot dipped zinc coating gives the product excellent anti-corrosion

Material: high quality low carbon steel  

Types: serrated and plain

Finishes: electro galv, hot dipped galv, according to the difference surface treatment.

Trench cover grating application:

galvanized steel grating are widely used by various plants such as electric power,petroleum,chemical industry,metallurgy industry,machinery industry,shipbuilding, harbor,oceanographic engineering,building,paper mills,cement plant,medicine,spinning and weaving,foodstuff factory,transportation,municipal administration,parking lot,etc.