... Ø114mm stand column with thickness of 2.2m galvanize-plated tubes or steel tubes.(QS standard:BS1387-1985,technology standard :BS1387-1985 )2 ... -1996.3 Guardrail and handrailWith Ø 60mm, thickness of 2.2mm steel, Ø 32mm, thickness of 2.2 mm pipe, Ø25 mm, ... daysAdvantageA.Automatic laser cutting and robot welding technology applied to steel parts production procedure.B.Anti-UV,Anti-static,Anti-skid ...