Precision Fenestration Manufacturer

About Us

Your premier source for top-quality aluminum windows and doors since the year 2000. With an unwavering commitment to excellence, we have been serving the tri-state area and beyond, elevating the standards of durability, aesthetics, and functionality...

Who We Are

Who We Are

Your premier source for top-quality aluminum windows and doors since the year 2000. With an unwavering commitment to excellence, we have been serving the tri-state area and beyond, elevating the standards of durability, aesthetics, and functionality in the industry.

Our extensive range of products is designed to meet the diverse needs of various sectors, including hotels, condominiums, retail stores, and residential houses. At Master Aluminum, we understand that each project is unique, and our customizable solutions ensure that you find the perfect fit for your specific requirements.

Consultative Engineering

Bilingual project specialists turn every set of drawings into compliant schedules, value engineering KPI dashboards and mock-up plans.

Quality Systems for Export

Factory processes certified for ISO9001, AS2047 and NFRC replicates, ensuring documentation packs that satisfy hospitality brands and developers.

Lifecycle Partnership

From design-assist through remote commissioning and punch-list support, our teams stay embedded with clients until handover.

Factory Tour

See how every system is tested before crating

From extrusion aging rooms to fully glazed life-size mockups, our factory video walk-through highlights how we align test data and project reporting. Send us your punch-list and we will show you the exact QC gate that signs off each step.

  • Dedicated AS/NZS, Miami-Dade and NFRC performance rigs
  • Live dashboards streaming fabrication status to client portals
  • Remote walkthroughs hosted by bilingual project engineers

Global Delivery

Capabilities that scale with your pipeline

Design-led manufacturing combined with disciplined logistics gives clients confidence to roll out multi-phase developments without compromise.

65,000 m²

Integrated campus

Extrusion, surface finishing, glazing, assembly and testing under one site keeps tolerances tight and lead times predictable.

12 QC gates

Fabrication discipline

Digitised checkpoints cover ingot sourcing, machining, powder coating, hardware fitment and load testing.

7 days

Average mock-up lead

Dedicated prototyping line accelerates hospitality and multifamily approvals.

24/7

After-sales coverage

Virtual installers and on-site bilingual supervisors keep turnovers smooth in every time zone.

Milestones

Two decades of continuous improvement

Our story is one of steady reinvestment in people, automation and sustainability to keep pace with demanding architects and contractors.

2000

Brand Established

Diamax Window is founded in Foshan with a mandate to craft export-ready aluminum windows and doors.

2008

Global Hospitality Debut

Delivered a 1,200 room hotel package with bespoke sliding doors and unitized facade solutions.

2012

Curtainwall Division

New curtainwall engineering office launches with BIM coordination and seismic modelling capability.

2018

Sustainability Upgrade

Powder coating and glass lines migrate to low-emission furnaces and smart energy management.

2023

North America Hub

Local project managers and warehouse support established for faster delivery and service.

Leadership

People behind Diamax Window

Cross-functional leaders align engineering, manufacturing and client experience so every project launches with clarity.

Linda Zhang

Managing Director

Global strategy & large-format contracts

Leads cross-border delivery teams and sets the innovation cadence that keeps Diamax partnered with world-class developers.

Eric Tan

Head of Engineering

Facade systems & performance testing

20+ years in fenestration R&D overseeing wind, acoustic and thermal simulation labs.

Marissa Lee

Client Experience Director

Project controls & service

Champions bilingual communication playbooks and digital portals for transparent manufacturing updates.