Micro duct blower/hdpe duct rod\nduct rodder& fiberglass duct rodder& duct rodas one of biggest duct rodder manufacturers in asia, we provide the duct rodder with high quality and competitive price. we could produce from 4 to18mm diameters’ duct rodder, and provide duct rodder adding with copper wire, stainless steel wire for detecting uses. so the duct rodder is also called detectable rodders. according to customers’ requirement, we could produce different length and clour duct rodder.