
Prima Customized Classic Interior Steel Wood Spiral Stair. Customized Size: Floor to floor size customized according to job site measurements. Multi Material Options: Tread options include solid wood or glass; Balustrade in glass, stainless steel, or carbon steel. Long Warranty Period: Provides warranty coverage for more than 5 years. Professional Installation: Easy installation process with complete services from quotation to installation. Versatile Application: Suitable for residential, commercial, and public projects, both indoor and outdoor. Durable Finish: Carbon steel hot dip galvanizing, powder coating, or solid wood painting available. Safety Function: Designed with safety as a primary function for spiral staircases. Global Export Experience: Exported to over 35 countries including USA, Canada, UK, and Australia.