... 4ISO90001:2000,CE,TUV EN1176 Outdoor playground equipment1, Post: With Ø114mm column with thickness of 2.2mm gold-plated tubes or steel ... With Ø 60mm, thickness of 2.2mm steel, Ø 32mm, thickness of 2.2 mm pipe, Ø25 mm, thickness of 2.2 mm steel. 3,Metal: ... South Korea, by microcomputer control of four stations roll-plastic equipment, rolled into equilibrium, high strength, sound thickness with the ...