... with thickness of 2.2m gold-plated tubes or steel tubes.(QS standard :BS1387-1985, technology standard :BS1387 ... -1985 ) .2.platform Formed by Cold-rolled steel plate punching with the thickness of 2.3mm and ... 4 Guardrail and handrailWith Ø 60mm, thickness of 2.2mm steel, Ø 32mm, thickness of 2.2 mm pipe, Ø ... 25 mm, thickness of 2.2 mm steel. 5 Rope netCord by Chinese-foreign joint production ...