Min. Order Reference FOB Price
1000 Meters US$0.94-1.79 / Meter
Product Description
Post Tensioning Round Metal Material Galvanized Corrugated Duct Prestressed Corrugated Galvanized Steel Duct 55mm Product Description Specifications: Category: Round and flat Dimension: 40-130mm Application: It's mainly used as the prestressed concrete structure, such as the large span ...