Min. Order Reference FOB Price
1 Piece US$4,000.00 / Piece
Product Description
1. Spiral prestressed corrugated duct 2. Diameter from 15mm-130mm 3. Work steady, reliable 4. High quality, low cost 5. Used at working site, making duct at site, 6. Operated easily, nimble structure, working steady 7. Make round duct or flat duct Spiral prestressed corrugated pipe making ...