Scaffolding Fittings manufacturer / supplier in China, offering High Strength Cast Iron Two-Wing Nut for Adjustable Prop Jacks in Formwork and Temporary Support Structures, Steel Prop Wing Nut with Double Ears for Formwork Slab Support and Vertical Load Bearing Applications, Hot-DIP Galvanized Adjustable U Head Jack for Scaffolding and Formwork Shoring Systems and so on.