... .Please see the picture below:2.column:with Ø114mm, wall thickness of 2.2mm galvanized steel (pipes are ... below: 3.Platform: With a thickness of 2.6mm cold-rolled steel punch forming, punching a ... degreasing, phosphating, throwing sand, the surface coating of polyester powder DuPont outdoor environment, high temperature curing, ... skype:ritarita1551 2012 new design of castle series outdoor playground