Scaffolding Tubes, Ringlock System, Steel Planks manufacturer / supplier in China, offering 8 FT. 6 in. to 13 FT. Medium Duty Adjustable Shoring Post Scaffolding Props, Construction Concrete Supports Heavy Duty Prop Scaffolding Adjustable Steel Props, Heavy Duty Construction Shoring Scaffolding Material Formwork Adjustable Steel Props and so on.