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Double Building Materials

Your Factory-Direct Partner for Custom Staircases & Railings
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Double Building Materials factory team at the Guangdong workshop entrance

Our team at the Guangdong workshop — staircases, railings, and cabinetry built and trial-assembled under one roof.

Code-aware to
AS 1288AS 1657AS 2047NCCIBCIRCSGCCANSI Z97.1CE / EN

Double Building Materials is a Guangdong-based factory with 25+ years of B2B export experience, specializing in custom staircases, railing systems, and cabinetry — with complementary solutions for wardrobes, pergolas, doors & windows, shower rooms, and curtain walls. We partner with contractors, architects, developers, and property owners across the USA, Australia, and Europe on commercial, multifamily, and high-end residential projects. Sourcing factory-direct removes middle layers, though procurement savings vary by scope, specifications, and shipping terms.

Why Choose DBM

DBM was built around a simple observation: strong designs can still fail for ordinary reasons — unclear shop drawings, missed code details, small manufacturing deviations, or unexpected fit-up issues on site. Over 25+ years and 800+ projects across 60+ countries, we have built a verification-first process that closes the gap between design intent and on-site reality — confirming details early, trial-assembling before shipment, and delivering components that install cleanly the first time.

Solving Your Biggest Sourcing Headaches

International sourcing often feels risky because distance creates uncertainty. We close that gap with a drawing-first, verification-first workflow:

  • Drawing-first coordination — CAD / 3D shop drawings refined until approval, so expectations are aligned before fabrication.
  • Code-aware detailing — shop drawings reference AS 1288 / AS 2047 / NCC (Australia), IBC / IRC / SGCC (USA), and CE / EN (Europe).
  • Trial assembly before packing — every order pre-assembled in our 4,500 m² Guangdong workshop, so issues are caught at the source.
  • Factory-direct pricing — orders ship from our Guangdong production base with fewer middle layers and clearer accountability.
  • Multi-line coordination — staircases, railings, cabinetry, shower enclosures, and windows / doors managed from one source.
  • Export-ready crating — standardized crating with DDP delivery available in many lanes on request.
Company History
Double building factory established on foshan
2000
we start do export business
2008
we start involvewindow door&cabinetindustry
2013
we focus onone stop solutionfor proiect
2015
we set an officein shenzhen for receive clientsfrom oversea
2016
our next stationtu be top supplierfor building materials
2021
Core Product Lines
01
Custom Staircase Manufacturing
We engineer spiral, floating, curved, industrial, and prefabricated staircase systems in steel, steel-and-wood, and solid timber — built for residential, commercial, and warehouse projects. Every staircase is detailed to your site conditions, local buildi
02
Custom Railing Systems
Our railing systems span framed and frameless glass, cable, aluminum, stainless-steel, and wrought-iron — configured for stairs, balconies, decks, and rooftop terraces. Each run is drawn to your code-required heights, fabricated in panels, and trial-assem
03
Integrated Cabinetry & Joinery
From custom and RTA cabinets to wholesale kitchen cabinets, bathroom vanities, wardrobes, and bar units — we coordinate finish, hardware, and dimensions to match the interior design. Programs are shop-drawn to your floor plan and dry-fitted before packing
How We Run Your Project (Drawing-to-Delivery)
Consultation & Quote
Share floor plans, elevations, or sketches. We review scope and provide a detailed quotation—typically within 24 hours.
01
Engineering & Design
We produce 2D/3D shop drawings and confirm key dimensions, loads, and interfaces until approval.
02
Production & Trial Assembly
We manufacture, pre-assemble critical parts, and perform inspections to confirm alignment and fit before packing
03
Packing & Shipping
We use export-grade crating and coordinate shipment. DDP delivery can be arranged in many destinations upon request
04
Factory Updates

Double Building Materials is a Guangdong-based factory specializing in custom staircases, railing systems, and cabinetry for the global B2B export market. Backed by 25+ years of manufacturing and a 4,500 m² owned facility, we deliver shop-drawn, factory-built systems to contractors, architects, and developers in 60+ countries — primarily the USA, Australia, and Europe.

For our staircase and railing programs, glass and structural components are specified against the building codes that apply to each market — AS 1288, AS 2047, NCC, IBC, IRC, SGCC, and CE / EN — with vetted material suppliers and logged incoming inspection before fabrication begins.

Main Products & Services
Three core lines — staircases, railings, and cabinetry — each engineered to your drawings and trial-assembled before packing.

Staircases: spiral, floating, curved, industrial, and prefabricated staircase systems in steel, steel-and-wood, and solid timber.

Railings: framed and frameless glass, cable, aluminum, stainless-steel, and wrought-iron railing systems for stairs, balconies, and decks.

Cabinetry: custom, RTA, and wholesale kitchen cabinets, bathroom vanities, wardrobes, and bar units.

Main Markets

About 90% of our output is exported. Core markets are the United States, Australia, and Europe; we have also delivered projects across the Middle East, Africa, and Southeast Asia — 60+ countries in total to date.

Main Product Lines