Scaffolding Tubes, Ringlock System, Steel Planks manufacturer / supplier in China, offering En BS Industrial Modular Layher Quality Steel Ringlock Scaffolding, Galvanized Steel 48.3mm Diameter 3.0m Length 2.75mm Thickness Commercial Ring Scaffold, Andamio Layher Europ Certified Hot-Dipped Galvanized Ringlock Scaffolding System for Construction and so on.