How long will I get my goods?

we will delivery it to you within 35d-45d, but if your orders are too big, we may need a few more days.

Customizable Indoor & Outdoor Spiral Staircase Heavy-Duty Metal Frame

Name: Customizable Indoor & Outdoor Spiral Staircase Heavy-Duty Metal Frame
Brand: Double Building Materials Co., Ltd.
SKU: 1969350071

Guangdong, ChinaDouble Building Materials Co., Ltd.

US$4,500.00-6,500.00

1 Set

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

5 Years

Warranty

Online Technical Support

Structure

Beam

Bench

Single Stair

Type

Ordinary Stairs

Material

Stainless Steel

Usage

Indoor, Outdoor

Stair Type

Spiral Stair

Product Name

Steel Spiral Stairs

Tread

Steel

Beam

Steel Center Beam

Railing Type

Steel Railing

Style

Modern Disgn

Installation

CAD Drawing Provided

MOQ

1 Set

Packing

Plywood & Woven Bag

Delivery Time

45 Days

Transport Package

Plywood Package

Trademark

Double Building

Origin

China

HS Code

4401210090

Production Capacity

800pieces/Year

Key features

One-Stop Solution: Complete house project supply including stairs, railings, windows, doors, and cabinets.

21+ Years Experience: Over 21 years of manufacturing and 12 years of export experience in building materials.

Full Customization: Supports full customization, minor customization, and flexible options from samples or designs.

Global Project Success: Completed over 200 projects in more than 40 countries with positive customer feedback.

Quality Assurance: Strict quality control with pre-production samples and final inspections before shipment.

Professional Design Support: Dedicated design team assists with drawings and requirements to save time and money.

Multiple Payment Options: Accepts various currencies and payment methods including T/T, L/C, PayPal, and Credit Card.

Stainless Steel Material: Heavy-duty metal frame constructed from durable stainless steel for indoor and outdoor use.

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: ≤5.90h

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:Who are we?

We are based in Guangdong, China, starting from 2016, selling to North America (30.00%), Oceania (15.00%), Western Europe (10.00%), Eastern Europe (10.00%), Northern Europe (8.00%), South America (5.00%), Central America (5.00%), Southeast Asia (5.00%), Eastern Asia (4.00%), South Asia (2.00%), Southern Europe (2.00%), Africa (2.00%), Mid East (2.00%), and Domestic Market (0.00%). There are total about 11-50 people in our office.

Q:How can we guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment;

Q:Can I get a catalog?

Sure,leave a message below or call us, we will answer all your questions.

Q:Why should you buy from us instead of from other suppliers?

We supply one stop solution for house project.Including the residentail and commercial project. Exceed 21 years manufacture experience and 12 years export and project experience make us more professional.We have done over than 200 project in 40 countrys.

Q:What services can we provide?

Accepted Delivery Terms: FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU,Express Delivery,DAF, DES; Accepted Payment Currency: USD, EUR, JPY ,CAD, AUD, HKD, GBP, CNY, CHF; Accepted Payment Type: T/T,L/C,D/P D/A, MoneyGram, Credit Card,PayPal,Western Union,Cash,Escrow; Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian