... EN74, BS1139, AS1576 4.OEM service Scaffolding Heavy Duty Base Jack MaterialQ235Q255Q345Surface TreatmentHDG,Galvanized, paintedSize plate:200mm*200mm ... and workers to delivery on time.2.Main product: Scaffolding System( Kwikstage, Cuplock, Ringlock, Haki); Scaffold Coupler ... Type, Korean Type, Janpanese Type, Indian Type etc.); Shoring Props,Formworks, Frame System, Scaffold Steel Tubes, Accessories, ...