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20/10/2026

✨Curves, Glass & a Touch of Luxury.

Look at those curves! 👀

This glass-tread staircase is coming together in our factory, and the combination of the sweeping curve and transparent glass really catches the eye.

Before it heads to the project site, we do a trial assembly to check how everything comes together. It's all about getting the details right before delivery.

What do you think of this design — would you have it in your dream home? 🏡

🌐: doubomart.com
📨: WhatsApp: +86 185 8907 5949

A simple staircase, but the details make all the difference. 👀We love how the black steel stringer pairs with the warm w...
15/10/2026

A simple staircase, but the details make all the difference. 👀

We love how the black steel stringer pairs with the warm wood treads. Clean lines, a modern look, and a design that fits naturally into the space.

Every project has its own requirements, so we make our staircases to suit the space and the customer's ideas.

Have a staircase design in mind? Let's talk!
🌐: doubomart.com
📨: WhatsApp: +86 185 8907 5949

12/10/2026

FORM, FLOW & PRECISION.

A custom side-stringer spiral staircase taking shape during factory trial assembly.

From the sweeping spiral profile to the alignment of each tread, every detail matters. Our trial assembly process helps verify component fit and overall geometry before the staircase is prepared for shipment.

At Double, we turn architectural concepts into custom staircase solutions, one detail at a time.

Designed for the space. Built around the project.
📩 Have a custom staircase project? Send us your drawings.
🌐: doubomart.com
📨: WhatsApp: +86 185 8907 5949

08/10/2026

STEEL. CURVES. PRECISION.

A custom curved staircase, taking shape on our factory floor.

From the steel plate structure to the sweeping curve, every component is fabricated around the project and trial assembled before shipping.

The goal is simple:
get the geometry right before it reaches the job site.

Custom design.
Precision fabrication.
Factory trial assembly.

Built by Double.
📩 Have a custom staircase project? Send us your drawings.
🌐: doubomart.com
📨: WhatsApp: +86 185 8907 5949

ENGINEERED TO RISE. DESIGNED TO DEFINE.A spiral staircase is more than a way to move between floors — it can become a de...
06/10/2026

ENGINEERED TO RISE. DESIGNED TO DEFINE.

A spiral staircase is more than a way to move between floors — it can become a defining architectural feature.

At Double, every staircase is developed around the project:
from overall dimensions and structural layout to treads, railings and finishes.

Custom Design. Precision Fabrication. Built for Your Project.

Share your drawings or project dimensions with us, and let’s turn your concept into a staircase.
🌐: doubomart.com
📨: WhatsApp: +86 185 8907 5949

🇦🇬 On site in Antigua.A productive visit to our client’s project site in Antigua — meeting with the team, walking throug...
29/09/2026

🇦🇬 On site in Antigua.

A productive visit to our client’s project site in Antigua — meeting with the team, walking through the site, and getting a closer look at the project’s progress.

For us, every custom staircase project starts with understanding the space, the people and the details behind it.

From the factory to the job site — we stay connected every step of the way.

📍Antigua
🤝 Client Site Visit
🏗️ Project in Progress

📩 Have a custom staircase project? Send us your drawings.
🌐: doubomart.com
📨: WhatsApp: +86 185 8907 5949
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24/09/2026

Where structure meets curves.

A custom iron curved staircase taking shape during our factory trial assembly.

Before it leaves the factory, we bring the structure together to check the fit, proportions and details — making sure everything is ready for the next stage.

Clean curves. Strong structure. Built with precision.

📩 Have a custom staircase project? Send us your drawings.
🌐: doubomart.com
📨: WhatsApp: +86 185 8907 5949











23/09/2026

Another day behind the scenes.

Steel, wood, tools and craftsmanship — all coming together on the factory floor.

Every project starts here, with countless small details gradually becoming something you can actually see and touch.

This is where the work begins.

📩 Custom staircase project? Send us your drawings.
🌐: doubomart.com
📨: WhatsApp: +86 185 8907 5949











🇺🇸 From our factory to Hawaii.A custom staircase project made for our client in Hawaii — featuring red oak treads, a U-s...
21/09/2026

🇺🇸 From our factory to Hawaii.

A custom staircase project made for our client in Hawaii — featuring red oak treads, a U-shaped square-tube structure, and a curved-bottom-groove handrail.

From factory fabrication and trial assembly to the finished installation on site, every element is made to work together as one complete design.

Custom-built. Carefully crafted. Made for the space.

📩 Have a staircase project in mind? Send us your drawings.
🌐: doubomart.com
📨: WhatsApp: +86 185 8907 5949














🇺🇸 From our factory to New Albany, Ohio.Here’s a look at our custom double-curved steel plate staircase taking shape on ...
18/09/2026

🇺🇸 From our factory to New Albany, Ohio.

Here’s a look at our custom double-curved steel plate staircase taking shape on site.

From factory fabrication to on-site installation, it’s always rewarding to see a staircase move from drawings and production into a real architectural space.

Designed for the project. Built for the site.

📩 Have a custom staircase project? Send us your drawings.
🌐: doubomart.com
📨: WhatsApp: +86 185 8907 5949













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