China PVC PP PE PPR Rohrproduktionslinie, Kunststoffrohrmaschine, Kunststoffextrusionsmaschine, Rohrextrusionsmaschine, Kunststoffprofilextrusionsmaschine, Kunststoffplatte/-brettextrusionsmaschine, China PVC-Plattenextrusionslinie, Spritzguss, China Plattenextrusionslinienhersteller, China Hohlextrusionslinienhersteller hersteller / lieferanten und bietet qualität Ducts Designed to Optimize Post-Tensioning Efficiency Lifespan Widely Used in Bridges High-Rise Buildings Highways Plastic Machinery Extruder Machine, High-Density Polyethylene (HDPE) Duct Meets International Standards for Corrosion Resistance and Long-Term Structural Integrity Plastic Machinery Extruder, Spiral Corrugated Structure Ensures Excellent Bond Performance with Concrete High Collapse Resistance and Outstanding Protection for Prestressing Tendons und so weiter.
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