Can you send engineers for on-site installation?

Yes, we offer installation services and have previously sent engineers to countries like Thailand and the Maldives.

What is the warranty period for the products?

We provide a 3-year guarantee, during which all fittings can be replaced for free.

Contemporary Indoor Spiral Staircase Compact Stair Solution with Steel Frame for Loft Living Space

Name: Contemporary Indoor Spiral Staircase Compact Stair Solution with Steel Frame for Loft Living Space
Brand: Double Building Materials Co., Ltd.
SKU: 1990804691

Guangdong, ChinaDouble Building Materials Co., Ltd.

US$3,560.00

1 Set

US$2,450.00

2+ Sets

Product profile

Customization

Available

After-sales Service

Yes

Warranty

5 Years

Structure

Beam+Balustrade+Tread

Type

Ordinary Stairs

Material

Stainless Steel

Usage

Indoor, Outdoor, Shopping Mart

Stair Type

Spiral Stair

Assemble

Easy Assemble

Beam Material

A3 Steel / Stainless Steel

Balustrade Material

Tempered Glass / Stainless Steel

Step Material

Steel / Solid Wood/ Laminated Tempered Glass

Transport Package

Plywood Package

Specification

Customized Based On Jobsite

Trademark

Double Building

Origin

China

HS Code

7308900000

Production Capacity

800

Key features

Customizable Materials: Beam, Balustrade, and Step materials can be customized to A3 Steel, Stainless Steel, Solid Wood, or Tempered Glass.

Easy Assembly Design: Products are designed for easy assembly without welding, ensuring simple installation for customers.

Professional Design Support: Free design details provided based on your house plan or staircase dimensions upon inquiry.

Global Project Experience: Completed projects in over 40 countries, with deep knowledge of local building codes and standards.

Comprehensive Installation Service: Detailed manuals and drawings provided; engineers available for on-site installation in countries like Thailand and Maldives.

One-Stop Solution: Offer complete house solutions including staircases, railings, and other building materials from a single supplier.

Consolidated Shipping: Help collect goods from other suppliers into one container to save time and shipping costs.

Quality Assurance: 100% inspection of finished products and 3-year guarantee with free replacement of fittings.

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: ≤6.59h

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.