... Steel bar grating can be used for: 1.Trench cover Application:city-road,plaza,landscape-gardening,dock,airport,parking-lot ... plant,iron-works,petrochemical plant,airport and dock. 7.Marine grill Item No.BearingBar PitchCross Bar PitchSpecification of bearing bar load ... We are specialized inmetal trenches,steel trenches,grating canal,canal cover, steel grating has many advantage 2. Standard: it is ...