... A protective railing,Stainless steel handrail. .2, Material: Stainless steel compound pipes, [Inner Layer: Carbon Steel Q195-235, Outer Layer: Stainless Steel SUS201/304]3 ... pipe: ±0.1mm, Length:±6mm.6, Length: In general 6meters long, or customized.7, Certification: ISO9001: ... .e, Others: Home Applications, Hospital Equipment, Bathroom Accessories, Lighting Pole, Highway handrail, Stair Fence...etc.