1.Non-toxic, environmental material 2.Professional manufact 3.With GS, CE certificate ... Furtherdiscription of materiala,Platform:The platform is shaped by 2.2 mm-thick cold-roll steel sheet, with bores ... steel pipe with diameter of 114 mm, thickness of 2.2 mm, quality and technical standard of which have ... 60 mm, 48mm, 38mm, 32mm, 28mm, thickness of 2.5 mm, quality and technical standard of which have ...