Square Cast Iron Heavy Duty Manhole Covers Corrosion Resistance For Side Walk

Class A15 Area which can only be used by pedestrians and pedal cyclists

Class B125 Footways, pedestrian areas and comparable areas, car parks or parking decks

Class C250 For gratings installed in the area of kerbside channels of roads which, when measured from the kerb edge, extend maximum 0.5 m into the carriageway and maximum 0.2 m into the footway

Class D400 Arriageways of roads (pedestrian streets included), hard shoulders and parking areas for all types of road vehicles.

Class E600 Areas subject to high axle loads such as docks and airports

Class F900 Areas subject to very high axle loads such as airports

Xianxian Shuangxing Cast Co.,ltd is located in the historic city of Cangzhou ,is a professional manufacturer of Ductile/Nodular Cast Iron Production. Our Manufacturing aCapacity as follow:1.Ductile/Nodular Sandy Cast Iron Manhole Cover: Invisible Manhole CoverRoundness Manhole Rings and CoverSquare/Rectangle Manhole CoverWatertight and locking Manhole manholes etc.2.Ductile/Nodular Cast Iron Frame and Grate :Rainwater GratingDrain Trench Grating ,Tree Grating , Gully Grating ,Rectangular Trench Frames&Grates End wall Grating etc.3.Catch BasinsCurb&Cutter InletsType K GratingsIron TankMeter BoxCast Iron Grids etc.With more than 20 years' of manufacturing experience, advanced production equipment and strictly implement the ISO9001 international quality inspection system, wide products series and devotion to R&D, we are ready to be your partner Ductile Cast Iron products industry.