High-End Luxury Curved Marble Steps Staircase Sleek Panel Railing DIY Installation for High-Architectural Design

Name: High-End Luxury Curved Marble Steps Staircase Sleek Panel Railing DIY Installation for High-Architectural Design
Brand: Double Building Materials Co., Ltd.
SKU: 1963470201

Guangdong, ChinaDouble Building Materials Co., Ltd.

US$4,500.00

1-9 Sets

US$2,000.00

10+ Sets

Sample price:US$150.00/meter.Request sample

Product profile

Customization

Available

After-sales Service

5 Years

Warranty

Yes

Structure

Plate

Bench

Single Stair

Type

Ordinary Stairs

Material

Metal

Usage

Indoor, Outdoor

Stair Type

Arc Stair

Certification

ASTM, ISO9001, RoHS, CE, AS/NZS-2208

Frame Finishing

Mirror/Brush

Surface Treatment

Mirror/Brush

Material

S.S304/ S.S316

Application

Apartment/Villa/Hotel

Installation

Easy to Install

Main Market

North Amercia, Europe, Australia

Delivery Time

30-45 Days

Transport Package

Po; Ywood

Specification

Customized Based On Jobsite

Trademark

Double Building

Origin

Guangdong, China

HS Code

7308900000

Production Capacity

5000 Meter/ Month

Key features

5-Year Warranty Coverage: Covers all fittings with free replacement for 5 years.

Custom Design Support: CAD team provides drawing revision and customized solutions.

Premium Material Options: S.S304/316 stainless steel, carbon steel, solid wood, and glass.

Pre-Assembly Quality Check: All products are try-assembled in workshop before shipment.

Flexible Surface Finishes: Mirror, brushed, hot galvanized, or powder coated options.

Door-to-Door Shipping: Complete logistics service including custom clearance documents.

Multi-Certification Compliance: ASTM, ISO9001, RoHS, CE, and AS/NZS-2208 certified.

Easy DIY Installation: Includes installation shop drawings and manuals for self-install.

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: ≤5.55h

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.