Premier HVAC & Fire Smoke Exhaust Duct Expert
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No more condensation, no more fire risks, no more high maintenance costs.
✅ Class A/B1 Fire Rating: Meets EN 13501-1, ASTM E84 standards, zero flame spread
✅ Superior Thermal Insulation: λ≤0.022W/(m·K) at 25℃, eliminates energy loss
✅ Lightweight & Easy Installation: 1/5 the weight of galvanized steel duct, no heavy equipment required
✅ Moisture & Corrosion Resistant: Closed-cell structure, 100% waterproof, never rusts
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24/7 Online Support
Unique Technical Advantages
• High-Density Closed-Cell Foaming Technology:
German-imported foaming equipment produces uniform fine cells with density 45±5kg/m³, ensuring excellent thermal and acoustic insulation
• Double-Sided Aluminum Foil Lamination:
0.06mm high-quality aluminum foil with strong adhesion, heat reflection and UV resistance
• Precision CNC Cutting:
Dimensional tolerance ≤±1mm, tight joints, air leakage rate ≤1%, far below industry standards
• Eco-Friendly Non-Toxic Formula:
CFC/HCFC-free, compliant with EU RoHS directive, green and sustainable
Available Customization Services
• Custom thickness, width and length of duct boards
• Custom facing materials (aluminum foil, color steel, stainless steel, etc.)
• Duct prefabrication service, processed into finished ducts according to drawings
• Professional technical support and installation guidance
• Custom packaging and labeling
Simple Ordering Process
1.Send Inquiry: Tell us your requirements (product model, quantity, specifications, delivery date, etc.)
2.Quote Confirmation: We will provide a detailed quotation within 24 hours
3.Sample Confirmation: Free samples available (shipping cost borne by customer)
4.Contract Signing: Both parties confirm order details and sign formal contract
5.Production & Shipment: Production according to contract requirements, on-time delivery
6.After-Sales Service: We will follow up after delivery to solve any problems
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- Nanjing University
- Shanghai Grand Theatre
- Embassy of the United Arab Emirates in Beijing
- The Palace Museum
Why Choose Us
Rich Industry Experience
With over 40 years of experience in the HVAC industry, we have completed more than 10,000 projects worldwide.
Strong Production Capacity
We own 10 modern automatic production lines with an annual output capacity of 300,000 square meters, guaranteeing stable quality and on-time delivery even for bulk orders.
Professional Technical Team
Our experienced engineering team provides one-stop customized solutions and full-process professional technical support for all your project demands.
Competitive Factory Price
As a direct manufacturer without middlemen markup, we offer genuine factory direct prices, helping you save up to 20% cost compared with trading companies.
Comprehensive After-sales Service
We provide complete after-sales support, including on-site installation guidance, professional technical training and efficient problem solving anytime.
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