Min. Order Reference FOB Price
1 Piece US$2,000.00-5,000.00 / Piece
Product Description
PT corrugated spiral duct description 1.spiral post tension corrugated duct 2.diameter from 15mm-130mm 3.work steady,reliable 4.high quality,low cost 5.used at working site, make duct at site, 6.operated easily, nimble structure, working steady 7.make round duct or flat duct ...