Is DIY installation possible?

Yes, stairs are fixed by locking screws without on-site welding. We provide instructions and optional telephone guidance.

What are the payment terms?

For payments under $1000, 100% prepayment is required. For payments over $1000, 50% advance and 50% before shipment.

Heavy-Duty Iron Frame Spiral Staircase with Anti-Rust Finish

Name: Heavy-Duty Iron Frame Spiral Staircase with Anti-Rust Finish
Brand: Foshan Darnuo Hardware Products Co., Ltd.
SKU: 2185497375

Guangdong, ChinaFoshan Darnuo Hardware Products Co., Ltd.

US$1,280.00

1-99 Sets

US$980.00

100-199 Sets

US$680.00

200+ Sets

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

5 Years

Model NO.

DEN-1065

Structure

Beam

Bench

Multi Stair

Type

Ordinary Stairs

Material

Metal

Usage

Indoor, Outdoor

Stair Type

Spiral Stair

Product Name

Curved Staircase

Application

Villa

Steps

Wood / Glass / Marble

Color

Customized Colors

Tread Material

America Oak

Handrail

Cusomized/SS304/Metal/Wood

Railing

Glass / Steel

Installation

DIY Install

Transport Package

Plywood Box or Fiber Bag Packaging

Specification

200.00cm * 150.00cm * 120.00cm

Trademark

Daernuo

Origin

Guangdongfoshan

HS Code

7308900

Production Capacity

1000

Key features

Customizable Design: Full customization available for color, material, and style based on buyer needs.

Durable Materials: Constructed from carbon steel, stainless steel, or aluminum with anti-rust finish.

DIY Installation: Easy screw-lock installation without on-site welding; guides provided.

Professional Support: Free 3D drawings and design matching by experienced engineers.

5-Year Warranty: Comprehensive 5-year warranty with online technical support.

Versatile Usage: Suitable for indoor and outdoor applications including villas and hotels.

Global Shipping: Ships to over 100 countries with complete tracking services.

Expert Experience: Over 20 years of manufacturing experience in custom staircases.

Company profile

R&D CapabilitiesProduction Process VisualizationYears of Export ExperienceHigh Repeat Buyers Choice

Foshan Darnuo Hardware Products Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shenzhen Port; Guangzhou PortAverage Response Time: ≤3.30h

AI-Powered supplier vetting

SummaryThe supplier is described as a combined company and a large-scale professional manufacturer of stairs and customized indoor and outdoor decoration hardware building materials, with integrated design, R&D, production, installation, sales, agency, consulting, and service capabilities. It reports five production lines, export experience of ten years, and export sales representing 41%–50% of total sales. Customization and ODM/OEM services are explicitly available, including work for well-known brands and new-product development during the past year. However, service, supplier approval, corrective-action, complaint-handling, and finished-product inspection procedures lack written records. The supplier has no overseas warehouse, showroom, overseas agent or branch, or offline trade-show experience. No SDK is available, and ongoing production quantity reconciliation is not performed.

Supplier typeThe supplier is identified as a combined company and is described as a large-scale professional manufacturer integrating design, R&D, production, installation, sales, agency, consulting, and service for stairs and customized indoor and outdoor decoration hardware building materials. This supports classification as an integrated manufacturer rather than a narrowly focused trading entity.

R&D capabilityThe supplier reports new products during the past year, offers ODM services, and supports customization from samples, designs, minor changes, full customization, and flexible customization. It does not have an available SDK, which is a stated limitation for SDK-dependent development, but the broader R&D and design evidence supports innovation capability.

Production capacityThe supplier operates five production lines and is described as a large-scale manufacturer; stated lead times are one month off-season and two to three months during peak season. However, it does not conduct continuous quantity reconciliation for every batch or mass production, and the evidence does not fully establish production control maturity.

Customization capabilityThe supplier explicitly provides customization from samples, designs, minor customization, full customization, and flexible customization, alongside ODM services and integrated design and R&D capabilities. These directly support a broad customization offering.

Client casesThe supplier explicitly states that it provides OEM services for well-known brands, which is evidence of at least one type of customer engagement. No brand names, project details, product examples, or independently verifiable case documentation are provided.