1,Stair handrail,A protective railing,Stainless steel Guardrail. 2,Diameter: From 10.0-159. ... :From 1.0-5.0mm. 1, Name: Stair handrail,A protective railing,Stainless steel Guardrail.2, Material: Stainless steel composite pipes ... , Beds etc.c, Heavy Industry:Piping for Boiler, Electricity Factory, Chemical Engineering, Diesel Engine, Shipbuilding.d, Leisure: Exercise Equipment, Baby Cradle ...