SLEEK Windows & Doors

About Us

A Leading Brand In High-End Narrow-Frame Window And Door, Pioneering Innovation To Shape The Future

SLEEK follows the architectural design philosophy of "LESS IS MORE" proposed by the modernist architectural master, Ludwig Mies van der Rohe. "Less is more" is not merely a trend, but rather a core concept. SLEEK advocates simplicity; we employ technological methods to streamline doors and windows, refining each design element into a more concise and pure expression.

Why Choose Ultra-Slim?

 

Ultra-slim windows and doors have surged in popularity, merging cutting-edge design with unmatched functionality. Here’s why discerning clients and architects are making them a centerpiece of contemporary projects

 

Uncompromised Natural Light & Panoramic Views
· Breathtaking Visual Freedom: Ultra-thin frames maximize glass surface area, dissolving the boundary between indoors and outdoors. The result? Sunlit interiors and unobstructed vistas, whether in a mountain retreat or a high-rise apartment.
Architectural Sophistication
· Design Versatility: Ultra-thin profiles complement modern, industrial, or avant-garde aesthetics, elevating a building's exterior from ordinary to iconic.
Energy Efficiency, Discreetly Engineered
· Climate Control Mastery: Advanced thermal breaks and triple-pane glazing lock in warmth during winter and deflect summer heat, slashing energy costs by up to 30%.
Seamless Indoor-Outdoor Living
· Fluid Space Transformation: Ultra-slim sliding or folding doors erase thresholds, merging living rooms with gardens, patios, or balconies—perfect for entertaining or serene relaxation.
How do we manufacture a window & a door
Driven by technology and centered on quality. The SLEEK intelligent production factory is located in Qingpu District, Shanghai, China, with a base area of 11,000 square meters.
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Select Premium Materials, Craft Exquisite Products
we scour the globe, carefully choosing top-tier raw material and component suppliers from Italy and Germany. We ensure that every single material undergoes rigorous screening and quality inspections.
Intelligent Production, Outstanding Efficiency
At SLEEK's new base, the factory upgrades fully. It uses a 3D smart warehousing & logistics system and a German auto end-milling line, enabling full automation & precise control from raw material processing to finished product assembly.
Standardized Processes, Well-regulated Workshop
We've established a standardized management system, covering precise acceptance procedures for incoming raw materials, refined operation norms in production, strict quality control processes, and comprehensive review mechanisms for finished product shipments.
Stringent Quality Inspection, Quality Assurance
Quality is our lifeline. Every production process undergoes strict quality inspection and control to ensure that each door and window meets high-standard quality requirements, providing customers with a worry-free and durable user experience.
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