... ,ISO9001:2000,TUV Outdoor playground facility 1. components Slides, tube slides, roofs, decks, panels, column, ladders and so on.2. materials1 ... ) Upright column:galvanised steel pipe with diameter of 114 ... etc.6. The decks can use two kinds of material: 1) static spray ,2)surface coated polyurethane7. galvanized pipe material, ...