Is the staircase DIY installable without welding?

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

Can you arrange shipment?

Yes, please provide your shipping location. We will calculate the best shipping cost and offer various shipping routes.

What are the payment methods?

We accept bank transfers. For payments under $1000, 100% prepayment is required. For $1000 or more, 50% advance and balance before shipment.

Durable Steel Spiral Staircase with Elegant Structural Design

Name: Durable Steel Spiral Staircase with Elegant Structural Design
Brand: Foshan Darnuo Hardware Products Co., Ltd.
SKU: 2175143205

Guangdong, ChinaFoshan Darnuo Hardware Products Co., Ltd.

US$1,980.00

1-99 Sets

US$1,680.00

100-199 Sets

US$980.00

200+ Sets

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

5 Years

Model NO.

DEN-1014

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

20 Years Manufacturing Experience: Over two decades of expertise in designing and producing custom staircases and railings.

Full Customization Options: Customize colors, materials, sizes, and styles to match specific project requirements.

DIY Installation Support: Screw-fixed design allows easy DIY installation with provided instructions and guidance.

Premium Material Selection: Options include carbon steel, stainless steel, aluminum, wood, glass, and marble.

Professional Design Service: Expert designers provide 3D renderings and drawings based on your space dimensions.

5-Year Warranty Coverage: Comprehensive 5-year warranty ensures long-term quality assurance for your purchase.

Global Shipping Capability: Exports to over 100 countries with tracking services from order to delivery.

Versatile Application: Suitable for indoor and outdoor use in villas, hotels, and residential spaces.

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: ≤0.83h

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.