Stairs Design Indoor : 1.High bearing capacity 2.Beautiful appearance 3.Cooperate with porsche 4.Customized for your size Stairs Design Indoor:Handrail material is stainless steel. Below please find some of the essential information for your reference.1.Modular Stairs:Metal Stair,you can choose tempered glass, wood, stainless steel step ect 2.Applicable Scope:Costruction Company,Office Building, ...