... composite pipe. c.This appliance is good for stair handrails,balcony railings. Stair Railings / Handrails.This appliance is good for bridge railings, deck railings, ... Office Furniture, Racks, Beds etc.3, Heavy Industry:Piping for Boiler, Electricity Factory, Chemical Engineering, Diesel Engine, Shipbuilding.4 ... , Stair Fence...etc. supply stainless steel composite pipe good for stair handrails,barrier