Bay Aluminum Windows Manufacturer & Factory

Premium Engineering, Thermal Efficiency, and Architectural Excellence from a Global Leader in Aluminum Systems.

Precision Manufacturing Since 1993

Shandong Envi Doors and Windows Co., Ltd. (established 2014, with roots since 1993) stands as a beacon of reliability in the global aluminum industry. Our 100,000 square meter factory is a high-tech hub for designing, producing, and distributing world-class aluminum window systems.

As a large-scale comprehensive manufacturer, we specialize in high-performance building profiles, decorative aluminum, and specialized industrial solutions, maintaining an annual capacity of 50,000 tons and an output value exceeding 1 billion yuan.

Global Reach & Expertise

Over the last decade, we have successfully completed 1,500+ projects across 100+ countries. Our products meet rigorous international standards, including NFRC (North American Fenestration Rating Council) requirements for energy efficiency and hurricane impact resistance.

100+ Countries
1.5k Projects

Global Aluminum Window Industry Trends

The Shift Toward Energy Efficiency

Globally, the construction industry is pivoting toward Net Zero goals. Bay aluminum windows are no longer just aesthetic features; they are now engineered with thermal break technology and triple-glazing to minimize heat transfer. Our factory utilizes high-precision polyamide strips to create thermal bridges, ensuring U-values meet the strictest European and North American building codes.

Smart Home Integration

Modern commercial and residential procurement now demands Smart Windows. This includes integrated automated louver systems, smart glass (electrochromic), and sensors. Our R&D team in Shandong is at the forefront of integrating hardware from global leaders like Sobinco and Siegenia to provide seamless automation for bay window systems.

Biophilic Design & Natural Light

Architects are increasingly using bay and bow windows to create "glass capsules" that invite natural light and panoramic views. This is particularly prevalent in urban revitalization projects in Australia, the UK, and North America, where maximizing living space and light is a priority.

Advanced Production Capabilities

Our production floor is equipped with internationally advanced automation. From raw material ingot melting to final assembly, every step is monitored for quality. Our extrusion lines range from 600 to 2500 tons, allowing us to produce massive structural profiles for high-rise bay window installations.

  • Surface Treatment: Two anodizing lines, two electrophoretic coating lines, and a 1,000-ton color powder spraying line.
  • Deep Processing: Advanced CNC drilling, milling, and seamless welding for perfect corner joints.
  • Specialized Lines: Glue injection and threading lines for superior thermal insulation.
Raw Materials

Raw Materials

Cutting

Precision Cutting

Drilling

CNC Drilling

Assembly

Final Inspection

Procurement Solutions & Scenarios

Commercial Real Estate

For large-scale developers, we offer bulk procurement of hurricane-impact bay windows. These are ideal for seaside resorts and high-rise apartments where wind pressure resistance is critical. Our Guangzhou and Foshan lines specialize in NFRC-certified solutions for the US and Caribbean markets.

Residential Customization

Luxury villas often require bespoke L-shaped or curved aluminum frames. We provide simulated wood grain finishes that offer the warmth of timber with the durability of aluminum, perfect for kitchens, bedrooms, and living rooms in the Australian and European markets.

Industrial & Public Buildings

Our heavy-duty aluminum louvers and fixed bay window systems are designed for high-traffic environments like schools and hospitals, focusing on ventilation, soundproofing, and thermal regulation.

The "China Factory" Strategic Advantage

Complete Supply Chain Integration

Unlike Western assemblers, our Shandong factory controls the entire lifecycle. We don't just buy profiles; we extrude them. This reduces lead times and allows for granular quality control of the aluminum alloy chemical composition (6063-T5/T6).

Cost-to-Performance Ratio

By leveraging economies of scale (50,000 tons/year), we provide factory-direct pricing that is 30-50% more competitive than local suppliers in the US or Europe, even after logistics costs, without compromising on hardware quality or thermal specs.

Rigorous Testing & Certification

We invest heavily in certification. Our bay windows undergo water tightness, air permeability, and wind resistance tests. We ensure compliance with the North American NFRC and European CE standards, providing peace of mind for global importers.

Technical Workflow Gallery

Material Inspection

Raw Material Analysis

Milling Process

Precision Milling

Final Assembly

Quality Assurance

50k Tons Annual Capacity
All Bay Aluminum Windows Products