Steel parts

There are steel columns, platforms, pipe fittings, fasteners, etc. 
Column: diameter 114mm steel or galvanized steel pipes, the thickness is 2.0MM. UV resistant, bright color, painting not easy to falling. 
Platform: hot rolled steel plate punching, thickness 2.0mm. Safe and beautiful, abrasion and slip resistance. 
Pipe fittings: OD sizes 25/32/38/48/60/89, thickness 2.0MM 
Fasteners: Aluminum fasteners use stainless steel screws, and tighten screw cap, for a better security.