... powder coated 2 Our fibreglass is 5 layers and man made completely 3 All connections are used pipe into pipe ... : GS , CE , SASO , Meet European StandardMaterial: component detailsUpright column:galvanised steel pipe with diameter of 114 mm, wall thickness ... All screws, with cup heads or T heads, are made of stainless steel 316 12PCS PACKAGECOMPANY AND WORKSHOPTrade showCE certificateThanks ...