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Being as famous "casting country" in China, we have the advantage to supply grey iron manhole covers with most competitive price to Middle East Countries and other regions. Welcome customers all over the world. ole cover Paint Bituminous paint Packing Wooden pallet (normal ) Material (ductile cast iron )GGG50-7 Tensile strength 500Mpa Yield strees 320Mpa Elongation rate 7% Hardness Hbs 170-230 Standard EN124 Package details:wooden pallet Manhole cover feature : 1) environmental protection:non-toxicity raw materials 2) longevity: anti-corrosion ,anti-rust ,anti-abrasion excellent anti-pressure capability 3) competitive price :lower than stipulated standard cast iron one 4) light weight:1/3lighter than cast iron ones 5) nice appearance :rich colors available ,whole materials dying for long lasting 6) anti-theft :non-recycle, anti-theft naturally 7) lower noises: harsh noise and rebounding free when car rolls 2.applications 1) electric power pipeline well ,post ,telecommunication , communication pipeline well 2)street lamp well ,fire control well ,all kinds of value well 3) city water ,drainage pipeline well ;heat supplied,gas well 4)as cover board for anti-corrosion project ,open ditch :it as well as can be made according to Customers requirement . HEBEI LONGSHENG METALS&MINERALS CO.,LTD. contact : Ada liu moble : 0086-311-87835272 fax : 0086-311-87829648