What is the delivery time?

Within 35 days after you confirm the shop drawing.

Is the installation easy?

Yes, our products are easy to install and do not need to be welded or processed again.

Can you customize the staircase?

Our goods are normally customized according to client job site dimensions and situations. Please send an inquiry for more details.

Commercial Metal Interior Wood Stairs Open Riser Helical Staircase

Name: Commercial Metal Interior Wood Stairs Open Riser Helical Staircase
Brand: Double Building Materials Co., Ltd.
SKU: 929972395

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

Structure

Curved

Bench

Multi Stair

Model NO.

DB-S2315

Type

Special Stairs

Material

Steel-Wood

Usage

Indoor, Outdoor

Stair Type

Arc Stair

Application

Building

Installation

DIY Install

Surface

Powder Coated

Materials

Carbon Steel / SUS304,316

Size

Customized

Transport Package

Plywood

Specification

stringer + tread + railing

Trademark

Double

Origin

China

Production Capacity

50 Set/Month

Key features

10+ Years Experience: Over 10 years of manufacturing and export experience in staircases.

Full Customization: All sizes and configurations can be customized according to client requirements.

No MOQ Required: Minimum order quantity is just one set, allowing for flexible purchasing.

5-Year Warranty: Provides a 5-year quality guarantee for all goods supplied.

Professional Design: Experienced engineers provide shop drawings and suggestions for your site.

Diverse Material Options: Offers Carbon Steel, Stainless Steel, Wood, Glass, and Marble tread options.

Easy DIY Installation: Products are designed for easy installation without welding or further processing.

Factory Direct Supply: Direct manufacturer from Foshan with own factory and 100% inspection.

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: ≤6.61h

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.