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Factory Custom Exterior Powder Coating Spiral Staircase
US$2,000.00
1 Set
Sample price:US$5.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
3 YearsWarranty
3 YearsModel NO.
NAStructure
BeamBench
Single StairType
Ordinary StairsMaterial
Solid WoodUsage
Indoor, OutdoorStair Type
Straight StairStair Width
700-1200 mmStair Height
Customized as Floor to Floor HeightStringer Material
Carbon / Stainless SteelStringer Finish
Galvanization + Powder CoatingTread Material
Solid Wood/Tempered Glass/SteelBalustrade Type
Glass Balustrade / Rod Balustrade / Cable BalustraTransport Package
Plywood PackageSpecification
CustomizedTrademark
PRIMAOrigin
ChinaHS Code
7308900000Production Capacity
2000PCSKey features
Customized Dimensions: Stair width 700-1200mm; height customized to floor-to-floor height.
Flexible Material Options: Stringers in Carbon/Stainless Steel; Treads in Wood, Tempered Glass, or Steel.
Easy Screw Installation: Designed for screw installation without welding, including detailed drawings and labels.
Fast Response Time: Customer inquiries are responded to within 12 hours.
Standard Compliance: Designs follow Australian Building Codes or European Standards, customizable per request.
3-Year Warranty: Comprehensive 3-year warranty and after-sales service included.
Seamless Packaging: Sealed plywood packaging that does not require fumigation for shipping.
Versatile Usage: Suitable for both indoor and outdoor applications.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2015-07-10Average Response Time: ≤4.86h
AI-Powered supplier vetting
SummaryPrima Industry Co., Ltd., also identified as Shenzhen Prima Housing Co., Ltd., is a China-based trading company and manufacturer/factory located in Shenzhen, Guangdong. It provides one-stop solutions covering design, customization, measurement, installation, and after-sales service for doors, windows, staircases, railings, cabinets, curtain walls, furniture, and shower doors. The supplier reports ISO 9001 management-system certification, more than 10 production lines, 6–10 quality-control staff, and production capacity of 500 staircase sets and 50,000 meters of railing annually. Export sales reportedly account for 71%–90%, and exporting began in 2015. The available information does not establish financial credibility, R&D strength, or specific customer cases.
Supplier typeThe supplier is identified as both a trading company and a manufacturer/factory. Its stated business covers furniture and construction decoration, with a broad product range including doors, windows, staircases, railings, cabinets, curtain walls, furniture, and shower doors.
CertificationsThe supplier reports holding ISO 9001 certification for its management systems. This is explicit evidence of a recognized quality-management certification, although no certificate number, scope, or validity period is provided.
After-Sales capabilityThe supplier explicitly lists after-sales service as part of its one-stop offering, alongside design, customization, measurement, and installation. The slices do not describe service staffing, response times, warranty terms, or geographic coverage.
Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, and annual production information of 500 staircase sets and 50,000 meters of railing. These stated facilities and output figures provide explicit evidence of production capability for at least these product categories.
Customization capabilityCustomization is explicitly included in the supplier's one-stop service offering, together with design and measurement. Its broad product portfolio further indicates the stated ability to support customized construction and furnishing requirements, although technical customization limits are not specified.
Product Q&A
Q:What information is needed for a quotation?
A:
Please provide the product type, quantity, and any special requirements.
Q:What are the customization options for dimensions?
A:
Stair width is 700-1200mm, and height is customized to match the floor-to-floor height.
Q:What materials are available for stringers and treads?
A:
Stringers: Carbon or Stainless Steel. Treads: Solid Wood, Tempered Glass, or Steel.
Q:Is welding required for installation?
A:
No, products are designed for screw installation to save time and cost.
Q:What design standards are followed?
A:
Generally Australian Building Codes or European Standards, but customizable per customer requirements.
Send Inquiry
*To:
Shenzhen Prima Housing Co., Ltd.
Shenzhen Prima Housing Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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