... Finish: Hot Dipped Galvanized, Electro Galvanized, Black, Painted, Threaded, EngravedADTO GROUP, founded in 1998, is one of the largest steel tube & scaffolding ... -Lock scaffolding system, steel props and the accessories like steel plank, steel stair case, screw base jack and U head jack. The annual ... efficient, harmonious building world together with our clients. Electro Galvanized Scaffolding Pipe