The Ultimate windows And Doors Solution
Welcome to MANNLEE, a leading custom door company and windows manufacturer trusted worldwide for its exceptional designs and superior attention to detail.
20+ years of production, R&D and construction experience
1000+ product design and customization cases
3 large automated production factories
Top Door And Window Manufacturer in China
Mannlee: The Brand You Can Trust
At MANNLEE, quality is the only standard we believe in.
Our custom window and door solutions bring the light of life to your space with designs that are both beautiful and stand the test of time.
Square Modern Factory
2800
m²
Solution Teams
500
+
Product Solutions
3200
+
Global Customers
8000
+
MANNLEE Solutions
From amazing inspiration to expert support,
We offer various custom products for commercial and domestic windows and doors.
Are You
Villa or House Owner ?
Are You
Apartment or Hotel Owner ?
More about our project cases
Contact a MANNLEE Expert
Get personalized guidance from a MANNLEE expert representative – no pressure, expert advice.
Advantages of choosing MANNLEE
Submit project drawings/specs (size/material/opening method)
→ Architects & engineers conduct a 6-hour technical audit
→ Guaranteed zero design ambiguities to eliminate errors
Receive detailed quotes with 2-3 options in 24hrs
→ 400+ global engineers optimize cost/design/local compliance
→ Budget-aligned proposals compliant with ASHRAE/EN standards
Access weekly live production photos/videos post-contract
→ Pre-shipment quality certificates (airtightness/wind load tests)
→ Core components tagged with CE/AAMA/SGS certifications
Choose:
• Port-to-port (LA/Rotterdam/Dubai hubs)
• Door-to-door (customs clearance + jobsite delivery)
→ 25-45 days to 120+ countries | Small order customization available
Tropical: Hurricane-grade aluminium + UV-resistant coating
Cold zones: Insulated systems (U-value ≤1.2 W/m²K)
Luxury villas: Wood veneer finishes + laser-cut lattice patterns
Automated production (±0.5mm tolerance in cutting/welding)
→ 10+ QC tests: Waterproofing/salt spray/cyclic load testing
→ 5-year structural warranty + 2-year hardware coverage
Why it's so popular
What Our Customers Reviews
Saudi Arabia Hotel Project
Hotel Project exceeded Saudi standards (≥42dB), with precision installation aligning phased timelines. This collaboration merges premium materials and ISO workflows. Eager to expand Gulf landmark synergies.
—Shahin Alam
Spainsh Apartment project
I own a construction company. I have collaborated with this company many times, and it’s very easy to purchase doors and windows here that meet my satisfaction.---Jigisha Rajput
Indian School project
I’m truly delighted to work with the engineer Asad. He provides professional advice, responds promptly, and supplies high-quality doors and windows at competitive prices.---Jagannath Mohanty
USA apartment project
Mannlee's hurricane-resistant windows for Miami Beach Resort are Miami-Dade certified with 99% UV blocking. Seamless installation in line with phased schedule. Combining quality materials with ISO workflow. Looking forward to future collaboration with Bay Area landmarks.
From customer interviews
Customers’ affirmations are our greatest motivation and support. MANNLEE offers high-quality products, custom services, and production experience.
Professional Insights
Enhance your home style
Aluminum alloy and wood, they each represent different characteristics and styles, but when they are integrated with each other, they will create a unique and exquisite interior design experience. Follow our article and explore this fascinating fashion journey together.
Picture Window vs Casement: Which one is better?
Two main designs exist for residential windows as choices between picture windows and casement windows.
How To Know When To Replace Windows?
Windows serve a dual purpose by improving home illumination while simultaneously affecting both energy efficiency
How to Fix a Window That Won’t Stay Up?
Have a broken window? You lift it, prop it up, but it slides back down
