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Premium Staircases & Railings for Modern Architecture

Double Building Materials Co., Ltd – trusted manufacturer since 2000, delivering high-quality building solutions to over 40 countries. One-stop service for developers, contractors, architects, and homeowners.

Modern Glass Staircase
Factory and Workshop

About Double Building Materials

Founded in 2000, Double Building Materials Co., Ltd owns a hardware factory and a window & door factory. We supply a wide range of building products including balustrades, staircases, windows & doors, kitchen cabinets, bathroom cabinets, showers, and toilets.

With over 16 years of industry experience, we serve both commercial and residential projects—small renovations to large-scale developments. Our one-stop service simplifies procurement for house developers, contractors, design firms, and architects. In recent years, we’ve also expanded to serve individual homeowners globally.

We’ve successfully completed projects in more than 40 countries, including the USA, Australia, Thailand, Iceland, Haiti, Mauritius, Saudi Arabia, Norway, the UK, and various African nations. Our work consistently earns excellent feedback for quality, precision, and reliability.

View Our Global Projects →

Our Product Categories

From elegant spiral staircases to sleek glass railings and durable aluminum windows, we offer premium building materials engineered for safety, style, and longevity.

Glass Spiral Staircase

Glass Spiral Staircase

Stainless steel railing with tempered glass treads. Space-saving design ideal for modern homes and lofts.

Model: DB-S2001 Staircase
Balcony Stainless Steel Balustrade

Balcony Stainless Steel Balustrade

Durable and corrosion-resistant design for outdoor use. Ideal for high-rise apartments and seaside properties.

Model: DB-B5222 Railing
Side Mounted Cable Railing

Side Mounted Cable Railing

Minimalist cable railing system with side mounting for clean, unobstructed views. Suitable for decks and balconies.

Model: DB-B5133 Railing
Outdoor Glass Railing

Outdoor Glass Railing

Weather-resistant glass balustrade with stainless steel fittings. Perfect for terraces, pools, and rooftop areas.

Model: DB-B3118 Railing
Swimming Pool Glass Railing

Swimming Pool Glass Railing

Includes child safety lock system. Tempered glass meets international safety standards for pool fencing.

Model: DB-S4118 Railing
Wooden Tread Curved Staircase

Wooden Tread Curved Staircase

Elegant curved design with natural wood treads. Combines functionality with architectural beauty.

Model: DB-S3034 Staircase
Aluminum Window & Door

Aluminum Window & Door

Energy-efficient, durable, and low-maintenance. Available in various finishes and configurations.

Model: Custom Window & Door
Kitchen Cabinet

Kitchen Cabinet

Custom-designed cabinets with modern finishes. Built for durability and style in any kitchen layout.

Model: Custom Cabinet

Why Choose Double Building Materials?

We combine quality craftsmanship, global experience, and customer-focused service to deliver exceptional building solutions.

Quality Assurance

Every product undergoes strict inspection and trial assembly in our workshop before packaging. We guarantee seamless on-site installation.

One-Stop Service

From design to delivery, we handle everything. Our dedicated sales and design teams ensure your project is fully coordinated and approved.

Reliability & Support

Concerned about after-sales service? Our team is ready to assist. Report any issues, and we’ll provide immediate solutions.

Featured Projects

Explore our work across the globe—from luxury villas to high-rise apartments and public swimming pools.

Villa Project in Switzerland

Luxury Villa, Switzerland

Glass floating staircase with pre-buried stringer for a seamless, elegant look.

Completed: March 2016

Toronto Villa, Canada

Villa, Toronto, Canada

Glass railing for terrace and custom straight indoor staircase.

Completed: April 2015

Melbourne Villa

Modern Villa, Melbourne

Full interior package: staircase, railing, windows, kitchen cabinet.

Completed: October 2015

Get in Touch

Reach out to discuss your project needs. We're here to help with quotes, designs, and technical support.

Office Address

Room 1106, Jiachangye Building, #2055 Bixin Road, Longgang Street, Longgang District, Shenzhen, China

Phone

0086-755-21003534

Opening Hours

Monday-Friday: 9am–6pm
Saturday: 10am–4pm
Sunday: 10am–1pm

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