Post: galvanized steel pipe with powder coated, diameter 114mm,thickness 2.5mm
Deck use galvanized steel sheet with PVC coated or powder coated; connect with pipe by screw or fastener 
Other metal parts: Galvanized steel pipe, diameter: 32mm, thickness 2.5mm
Roof, penal, slide, other plastic parts: LLDPE (linear low density polyethylene)
Fasteners: Aluminum Alloy
Screw: 304 stainless steel
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