SourcingAI
Try for free
Powered by Made-in-China.com
Custom Built Side Panel Spiral Staircase for Statement Luxury Interior Installations
US$2,890.00
1-9 Sets
US$1,789.00
10-19 Sets
US$998.00
20+ Sets

Product specifications

Spiral Staircase

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Yes

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

Full Customization: Customizable beam, tread, and railing materials including steel, glass, wood, and marble.
Easy Assembly: No welding required; products are designed for easy self-installation with provided guides.
3-Year Warranty: Comprehensive 3-year guarantee with free replacement of all fittings within the period.
Global Compliance: Products meet local standards like AS/NZS 2208 (Australia) and SGCC (America).
One-Stop Solution: We provide design, quotation, and consolidation services for multiple product orders.
Professional Design: Expert design team creates detailed solutions based on your floor plans or dimensions.
Overseas Installation: We offer on-site installation services, with experience in Thailand and Maldives.
High-Quality Materials: Options include S.S 304/316, tempered glass, solid wood, and various surface finishes.

Company profile

Double Building Materials Co., Ltd.
Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityLow MOQ
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: ≤7.16h

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.

Product Q&A

Q:What information is needed to get a quotation?
A:
Please send your layout or house plan drawing. If unavailable, provide floor-to-floor height, stairwell width, stairwell length, and diameter.
Q:Do you know local building codes and standards?
A:
Yes, we have completed projects in over 40 countries and are familiar with local building codes and standards.
Q:What certifications do your products have?
A:
For Australia, glass has AS/NZS 2208 mark. For America, products have SGCC certification.
Q:Is it difficult to install the products by yourself?
A:
No, all products are easy to install and require no welding. We provide detailed manuals, drawings, and videos.
Q:Can you provide installation service on-site?
A:
Yes, we offer installation services and have previously conducted installations in Thailand and the Maldives.

Send Inquiry

*To:Double Building Materials Co., Ltd.Double Building Materials Co., Ltd.
*Content:
0/4000

Supplier replies will be sent to your registered email

You may also like