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Precautions for the installation of Hainan nodular cast iron manhole covers. Hainan nodular cast iron manhole covers have various shapes, high density and high degree of polymerization. Therefore, they have the advantages of wear resistance, corrosion resistance, environmental protection, etc., and are a relatively green product. However, if the production and installation of Hainan nodular cast iron manhole covers are not strictly in accordance with the standards or are ignorant of their precautions, No matter how good the product is, it will not be delivered
Published on: May 28, 2019 Number of hits: 33
