Looking for tough a tough plastics fabricator that isn't afraid to push boundaries and create innovative custom designs to suit your needs? Polyline Industries, is one of WA's number 1 plastics fabrication companies. We predominantly service the underground mining sector supplying custom rigid PE ventilation as well as mine water services. We are also WA's number 1 manufacturer of plastic boats and barges and we have a long proud history of offering state of the art marine solutions. We are problem solvers and and will offer you solutions if your problem can be solved with plastics!