Heavy Duty Ductile Iron Manhole Cover Frame Square Water Soluble Black Paint MANHOLE COVERS Material Ductile iron Surface Treatment Painting Load A15 ...
SGS Ductile Iron Manhole Cover Smooth Surface For Industry / Construction Ductile Iron grating : 1. Classes: A15, B125, C250, D400, E600 and F900. 2. ...
Road / Hard Shoulders Ductile Iron Manhole Cover , E600 D400 Manhole Cover 1) Product information: Manhole Covers are manufactured for construction .....
Anti Corrosion Ductile Iron Manhole Cover A15 B125 C250 D400 Class Lower Noise Product Name Manhole Cover Material Composition Sheet Moulding Compound ...
High Intensity Double Sealed Recessed Manhole Cover Anti Sedimentation High standard: strictly enforce PRC National Standard GB/T23858-2009 Manhole .....