Luxury Double Curved Staircase for Mansion Project with Hardwood Steps and Bespoke Metal Framework

Name: Luxury Double Curved Staircase for Mansion Project with Hardwood Steps and Bespoke Metal Framework
Brand: Double Building Materials Co., Ltd.
SKU: 1997879071

Guangdong, ChinaDouble Building Materials Co., Ltd.

US$2,000.00-5,000.00

1 Piece

Product profile

Customization

Available

Structure

Beam

Bench

Single Stair

Type

Ordinary Stairs

Material

Solid Wood

Usage

Indoor, Outdoor

Stair Type

Arc Stair

Tread

Solid Wood

Delivery Time

45 Days

Stringer

Carbon Steel

Stairs Railing

Glass Railing/Stainless Steel/Wrought Iron

Transport Package

Plywood Package

Specification

Customized Based On Jobsite

Trademark

Double Building

Origin

China

HS Code

7308900000

Production Capacity

800

Key features

Customized Dimensions: Length and height can be adjusted based on your specific jobsite plan and requirements.

3-Year Warranty: Comprehensive coverage for 3 years with free replacement of all fittings.

Easy DIY Installation: No welding or drilling required; includes detailed manual and instruction drawings.

Premium Materials: Options include S.S.304/316, Solid Wood, Carbon Steel, and Tempered/SGP Glass.

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

Flexible Customization: Full customization available from samples, designs, or minor adjustments.

Fast Delivery: Standard lead time of 25-45 days after deposit and drawing confirmation.

Multiple Railing Options: Choose from Glass, Stainless Steel, or Wrought Iron stair railings.

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: ≤3.22h

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 we should offer to quote?

If you have layout or house plan drawing please send us, if not please let me know the dimension of the floor to floor height and dimension of the stairwell.

Q:Have you made some project in our local? Do you know our building code and local standard?

We have finished house project in exceed 40 country so we well know the building code & standard.

Q:If we buy building materials from you, is it hard to install by ourslef?

All of our poducts easy to install and no need weld, we 100% sure you can install it without any problem.

Q:Do you have any installation guide/drawing for us?

We will send you detail installation manual and drawing, if you still not understand we can show you the installation video.

Q:Is any guarrantee i can get from you?

Our products will have 3 years guarrantee, all fitting can be changed for free within 3 years.