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wheeled duct rodder Photos Catalog - page 14 - WorldBid B2B Market
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Fiberglass Air DuctConstruction - Building Materials - Hebei Weitong FRP Co.,Ltd - China - May 17, 2026 - contact company for priceFRP ducts are ventilation pipes made with a resin or magnesium oxychloride cement matrix and glass fiber as reinforcement. They are categorized into two main types: organic FRP ducts (resin-based) and inorganic FRP ducts (magnesium oxychloride cement...