This project adopted a combined overhead and riser installation method, constructing 3125 meters of new overhead secondary pipeline and 5648 meters of internal risers.
Haodeboer provided galvanized spiral steel pipes and prefabricated overhead insulated pipes in DN20-DN200 specifications. The outer protective layer of the overhead pipelines uses an anti-UV coating.
No.1 Haodeboer Road, Qingdao, Shandong, China
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