DIY Carbon Steel Z Shape Stringer Solid Wood Straight Stairs

Name: DIY Carbon Steel Z Shape Stringer Solid Wood Straight Stairs
Brand: Double Building Materials Co., Ltd.
SKU: 707406751

Guangdong, ChinaDouble Building Materials Co., Ltd.

US$4,500.00

1-9 Sets

US$2,000.00

10+ Sets

Sample price:US$150.00/piece.Request sample

Product profile

Customization

Available

Structure

Plate

Bench

Double Stair

Model NO.

straight staircase cost

Type

Special Stairs

Material

Steel-Wood

Usage

Indoor

Stair Type

Straight Stair

Tread Material

Solid Wood

Certificate

AS/NZS2208:1996 / ISO9001 / CE

Install

Easy Install

Transport Package

Plywood

Trademark

DBM

Origin

Guangdong, China

HS Code

7308900000

Production Capacity

5000 Meter/ Month

Key features

Customizable Design: Design, material, and dimensions can be customized according to actual demands.

No-Weld Installation: Easy to install by yourself without the need for welding.

5-Year Guarantee: All fittings can be changed for free within 5 years.

Multiple Beam Options: Available in Mono Beam, Double/Single Plate Beam, and Floated Staircase Beam.

Durable Materials: Constructed with Carbon Steel, S.S304/316, and Solid Wood.

Professional CAD Support: CAD drawing teams available for design and revision services.

Certified Quality: Certified with AS/NZS2208:1996, ISO9001, and CE.

24-Hour Customer Service: Installation manual available with 24-hour support to solve problems.

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: ≤6.92h

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.