Scaffold tube is frequently used in construction sites to build into platform together with steel couplers, steel planks, in aim to support workers to walk on the high area. Tianjin Friend Steel Pipe CO. Ltd is our pipe factory, which specializes in MS pipe, Galvanized Pipes with nearly 20 years experience in steel pipes. Scaffolding tube is our strong products. We sincerely know the significance of high quality for long term business. Thus ALL tubes are produced strictly complying with the standard....