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Structural Upgrade Professional Mono Stringer Staircase for Older Mansions
US$2,300.00
1-9 Sets
US$1,879.00
10-19 Sets
US$1,590.00
20-49 Sets
US$890.00
50+ Sets
Product specifications
floating staircase
Sample price:US$150.00/piece.Request sample
Product profile
Customization
AvailableStructure
PlateBench
Double StairType
Special StairsMaterial
Steel-WoodUsage
IndoorStair Type
Straight StairTread Material
Solid WoodCertificate
AS/NZS2208:1996 / ISO9001 / CEInstall
Easy InstallTransport Package
PlywoodTrademark
DBMOrigin
Guangdong, ChinaHS Code
7308900000Production Capacity
5000 Meter/ MonthKey features
No Weld Installation: DIY carbon steel z shape stringer stairs with easy bolt-together design, no welding required.
Customizable Design: Design, material, and dimensions can be fully customized according to actual demands.
5-Year Warranty: Comprehensive 5-year guarantee with free replacement of all fittings within the period.
Solid Wood Treads: Available with solid wood tread material for premium indoor straight stair applications.
Multiple Beam Options: Offers mono beam, double plate beam, and floated staircase beam options with various dimensions.
CAD Design Support: Professional CAD drawing team available for custom designs and revision services.
24/7 Customer Service: Dedicated support team available 24 hours to assist with installation and product issues.
Certified Quality: Products certified under AS/NZS2208:1996, ISO9001, and CE standards.
Company profile
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: ≤5.35h
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 is your trade terms service?
A:
We can offer EXW, FOB and CIF service by our shipping agent.
Q:If we have a customized drawings design. Can you do it for us?
A:
Certainly. We have a CAD drawing teams. If you need revise service,we also can offer for you.
Q:Can you provide samples?
A:
Yes, we can. But we have to know your order quantity and the courier cost will be paid by you.
Q:What information we should offer to quote?
A:
If you have layout or drawing, you can send us, if not please tell us the dimension of the floor to floor height and dimension of the stairwell.
Q:Is any guarrantee i can get from you?
A:
Our products will have 5 years guarrantee, all fitting can be changed for free within 5 years.
Send Inquiry
*To:
Double Building Materials Co., Ltd.
Double Building Materials Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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