... ISO9001:2008 4.EN74,BS1139, AS1576 ItemBritish Type Pressed Swivel CouplerMaterialQ235Q255Q345Surface TreatmentHDG,Galvanized, paintedNet ... , Haki); Scaffold Coupler( British Type, American Type, German Type, Italian Type, Australian Type, Mideast Type, Korean Type, Janpanese Type, Indian Type etc.); Shoring Props ... , ect.4.OEM Service5.Rizhao is a coastal city with convenient transportation.6.Provide ...