Nắp hố ga composite khung vuông,nắp vuông
This product is a composite square frame and square lid for manholes, designed for urban drainage systems, residential areas, industrial zones, and infrastructure projects. It offers high durability and load-bearing capacity, and resists corrosion better than traditional iron covers.
- The description claims the product has high durability and load-bearing capacity.
- The description claims the product resists corrosion better than traditional iron covers.
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