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| polyurethane thermal insulation pipe |
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the company produces high density polyethylene direct-buried insulation pipes in strict accordance with national standards and the requirements of owners, from raw material procurement, production and processing, storage and transportation, on-site repair and other aspects have perfect quality assurance measures. |
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| polyurethane insulating pipe |
| the company produces high density polyethylene direct-buried insulation pipes in strict accordance with national standards and the... |
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