... knitting contrast2.Features of steel bar grating: High strength, light structure, a strong bonding structure of the grid so ... engineering and other fields of the platforms, walkways, trench trestle bridge cover, covers, ladders, fence, fence, etc. Specification of ... 30/100, 40/50, 60/100 and allGrating Application:steel platform, flooring and walkway, trench cover, stair tread contact personMichelle ...