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Adress：Yanshan Economic Development Zone, Yanshan County, Cangzhou City, Hebei Province
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Tunnel steel perforated pipes
时间：2025-08-16浏览量：4
Structural CharacteristicsTunnel steel perforated pipes are manufactured using seamless steel pipes or straight-seam steel pipes as the base material. Grouting perforations (typically with a diameter ranging from 8mm to 12mm) are fabricated on the pipe wall at pre-designed intervals…
Tunnel roof support pipes
时间：2025-07-01浏览量：36
subsidence risks. Manufactured from high-strength steel, these pipes are ideal for various tunneling projects.High Strength Steel Construction: Ensures durability and reliability in challenging underground conditions.Corrosion-Resistant Coating: Extends service life by protecting ag…

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