... Details1.PLASTICLLDPE,rotational mould2.POST(Guardrail,handrail etc)Galvanized or steel,(or luminum,galvanization,as per request).3.DECK,STAIRS,BRIDGESWood ... and shape and material composition3: Check the machining precision.4: Check if any leakage5: Check the surface smoothness6: Check the quality of the plating,if ...