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1,Manhole cover are manufactured for construction and public use. Manhole cover shall be smooth and free sand holes, blow holes, distortion or any other defects.
2,Material: Ductile iron GGG500-7.
3,EN124 standard, B125, C250, D400, with different size and unit weight, or as per customers' requirement.
4,Coating: Coating applied black bitumen or as per customer's requirement.
: by steel or wooden pallet;