What is the minimum order quantity?

The minimum order quantity is 1 set.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the lead time for production?

The delivery time is 35-45 days after receiving the deposit and confirming the drawings.

Interior Solid Wood Loft Spiral Stairs

Name: Interior Solid Wood Loft Spiral Stairs
Brand: Double Building Materials Co., Ltd.
SKU: 885977165

Guangdong, ChinaDouble Building Materials Co., Ltd.

US$2,000.00-5,000.00

1 Piece

Product profile

Customization

Available

Structure

Spiral

Material

Metal

Usage

Indoor, Outdoor

Stair Type

Spiral Stair

Delivery Time

Carbon Steel

Tread

Solid Wood

Stairs Railing

Glass Railing/Stainless Steel/Wrought Iron

Stringer

Carbon Steel

Transport Package

Plywood Package

Specification

Customized Based On Jobsite

Trademark

Double Building

Origin

China

HS Code

7308900000

Production Capacity

800

Key features

Customizable Design: Offer full customization from samples, designs, or minor adjustments to meet specific needs.

Easy DIY Installation: No welding required; includes detailed manuals, drawings, and video guides for self-installation.

3-Year Warranty: Comprehensive 3-year guarantee with free replacement of all fittings within the warranty period.

Premium Materials: Constructed with SS304/316, solid wood, tempered glass, and carbon steel for durability.

Global Experience: Completed projects in over 40 countries, ensuring compliance with local building codes.

Flexible Payment: Supports LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Fast Delivery: Standard delivery time is 35-45 days after deposit and drawing confirmation.

100% Quality Inspection: Rigorous visual and functional inspection of finished products before shipment.

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: ≤4.25h

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.