When you can delivery the goods?

Within 35 days after you confirm the shop drawing.

Is this installation easy?

Yes , our products are easy to install and don't need to be welded and processed again.

Can you customized it for us?

Our goods normally is customized as per client job site dimensions and situations. If you are interested, please send the inquiry to us. Then we can show more details to you. Thanks

Villa Modern Spiral Staircase Custom Outdoor Arc Stairs Rust Proof Metal Curved Staircase

Name: Villa Modern Spiral Staircase Custom Outdoor Arc Stairs Rust Proof Metal Curved Staircase
Brand: Double Building Materials Co., Ltd.
SKU: 1948141675

Guangdong, ChinaDouble Building Materials Co., Ltd.

US$2,500.00-4,500.00

1 Piece

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

5 Years

Model NO.

DB-S3415

Structure

Curved

Bench

Multi Stair

Type

Special Stairs

Material

Steel-Wood

Usage

Indoor, Outdoor

Stair Type

Arc Stair

Application

Appartment ,Villa, Commercial Building

Installation

DIY Install

Surface

Powder Coated

Materials

Carbon Steel / SUS304,316

Size

Customized

Tread

Steel / Wood/ Glass / Marble

Shape

Curved / Spiral

Color

Black, Silver, White...

Handrail

Metal/ Wood/Stainless Steel

Design

Modern Staircase Design

Function

Outdoor Rust Proof Stairs

Transport Package

Plywood

Specification

stringer + tread + railing

Trademark

Double

Origin

China

Production Capacity

800 Set/Month

Key features

Customized Dimensions: Full customization available for size, shape, and configuration based on client job site requirements.

5-Year Warranty: Comprehensive 5-year quality guarantee covering all mechanical defects and material issues.

No MOQ Requirement: Accepts orders starting from a single set with no minimum quantity restrictions.

Multi-Material Options: Available in Carbon Steel, Stainless Steel 304/316, Wood, Glass, and Marble treads.

Free 3D & CAD Design: Professional engineers provide free 3D design and shop drawings for approval before production.

Easy DIY Installation: Designed for straightforward installation without requiring welding or on-site processing.

Rust Proof Performance: Specialized outdoor rust-proof coating and material selection for durability in various climates.

Sample Refund Policy: Sample costs are fully refunded upon placement of the main order.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityLow MOQ

Double Building Materials 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 PortAverage Response Time: ≤5.99h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with affiliated companies, 18 employees, six production lines, and a broad product range spanning staircases, railings, doors, cabinets, bathroom products, windows, and building materials. It reports substantial stated production capacity, exports 71%–90% of sales, serves multiple international markets, and has seven years of export experience. R&D evidence is positive: new products were developed within the past year and ODM services are available, alongside extensive customization options. Production quality procedures exist, but manufacturing lacks ongoing batch quantity reconciliation. Service procedures, complaint handling, corrective actions, and supplier approval documentation are present without supporting records or complete formalization. The available audit information identifies TÜV Rheinland, but the audit result is recorded as 0 and the report validity ended in 2024; certification status cannot therefore be confirmed. No financial figures are included, and...

Supplier typeThe supplier is identified as a combined company and a limited company, with affiliated companies and a broad multi-category product offering. This supports classification as a diversified manufacturing and trading supplier rather than a narrowly specialized entity.

R&D capabilityThe supplier reports new products within the past year and provides ODM services, indicating active product-development capability. However, it has no available SDK, so the evidence supports product innovation and design manufacturing but not SDK-based development.

Production capacityThe supplier reports six production lines, equipment including saws, drilling, polishing, and veneer-press machinery, and stated annual outputs of 200,000 meters of railing plus 1,500 and 2,000 staircase sets. It also has standardized finished-product inspection instructions and a one-month off-peak lead time, but does not continuously reconcile quantities for each batch or mass production.

Customization capabilityBoth R&D and design-service records list customization from samples, designs, minor customization, flexible customization, and full customization. The consistency across the two slices provides explicit evidence of broad customization capability.