KONTRAKTOR UNGGUL & TERPERCAYA. SELALU TEPAT WAKTU.

Avoid delays and budget surprises. We're committed to transparent work schedules, efficient completion, and safety-compliant installation. Your project will be completed as promised.

SHAPE SPACE WITH THE ELEGANCE OF STEEL AND GLASS.

Bring your architectural vision to life. We provide custom solutions for frameless glass frames, heavy-duty doors, and industrial partitions. The perfect combination of premium steel materials and stunning design.

MILLIMETER PREMIUM. UNDENIABLE POWER.

We're not just installers. We're specialists, ensuring every glass bracket, frame, and steel door installation is done to zero tolerance. Achieve a solid, secure visual and structural foundation.

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Factory Area

Production Strength

The factory covers an area of ​​5000 square meters and is equipped with advanced tempered glass production lines, ensuring a stable annual output.

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Employees

Professional Team

There are 50 employees, covering resources and development, design, production, installation, and after-sales service.

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Certified

Quality Assurance

Our products have passed SNI Certification and meet Indonesian and international technical standards.

Grand Maju Bangunan

Working as a team with clients and stakeholders to achieve mutual success.

Architectural Aluminum - Glass Series

Casement Series 50

A multifunctional casement window that integrates natural lighting (light intake), ventilation, prevention, beauty (aesthetics), and protection.

Casement Series 90

Standard multi-channel sealing design, which provides better sound insulation (soundproof), heat insulation (heatproof), heat retention (warmer), and sealing (tight).

110 Series Broken Bridge Casement Windows

Best Thermal Insulation Feature (Energy Saving), the flagship is the 110 Series Broken Bridge.

80 Series Sliding Windows

Multifunctional sliding windows that integrate natural lighting, ventilation, prevention, and beauty (aesthetics).

6-Track Sliding Windows Series

Aluminum 6063-T5, premium insulation, soundproof, waterproof, anti-theft (best for energy efficiency).

Arsitektural Aluminium - Seri Pintu

191 Series 3-Track Sliding Doors

Wide sliding doors, three rails, 2.0 mm thick profile, hidden damped top wheels, and anti-theft

Folding Door Series

Expanding space, wide view, aesthetic, combining independence and openness (ideal for room dividers/terraces).

Swing Door Series

Swing Door (Hinge), minimalist design, varied glass (example: reeded or striped glass), suitable for various decoration styles.

Arsitektural Aluminium - Seri Kanopi

Sunshade & Rain Canopy Series

Outdoor canopy, curved roof, transparent, sun and rain protection (ideal for balconies, terraces or windows).

Sunroom Series

Large exterior structure, high-strength material, hidden connector design, flexible angle, meet large sunroom design (combination of decoration & function).

PROJECTS

• Strategic Projects - Large Scale

Daan Mogot City - Apartement

Kalideres, Jakarta Barat

Installation of Windows, Doors, Railings, Curtain Walls, Shower Rooms

BSD Sky House Apartement Phase 1

Serpong, Tangerang

Installation of Windows, Doors, Railings, Curtain Walls, Shower Rooms

OPPO Factory & Office

Bayur, Tangerang

Installation of Windows, Doors, Railings, Curtain Walls, Composite Panels

BSD Sky House Apartement Phase 2

Serpong, Tangerang

Installation of Windows, Doors, Railings, Curtain Walls, Composite Panels

Let's Collaborate to Make Your Dream Building a Reality!

Your project is unique and requires specialist expertise. As a steel contractor specializing in details like frames, doors, and glass bracket systems, we are passionate about tackling technical complexities. Tell us the details of your project and the challenges you face, and we will provide a solution that is sturdy, aesthetically pleasing, and guaranteed safe. Contact us, and let's overcome this challenge together.

021 1234 5789

Our Call Center is Ready to Serve You!

+62 813-8174-3886

Consult Your Project With Us!

grandmajubangunan@example.com

You can also contact us via the email above!

Quality isn't an option, it's our standard. Contact us now and get a guarantee from our specialist steel workmanship, prioritizing safety, durability, and lasting beauty.

You Can Find Us Here:

Jl. Padat Karya No.68, Sukamulya, Kec. Cikupa, Kabupaten Tangerang, Banten 15710

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