Products
China's Largest HVAC Duct Board Factory | GB Duct, Established 1984
GB Duct stands as a leading professional manufacturer and integrated duct system supplier, specializing in HVAC air duct panels and fire smoke exhaust duct panels, delivering top-tier specialized solutions for global ventilation engineering.
Pre-Insulated HVAC Duct Boards
Fire-Rated Smoke Exhaust Duct Boards
Exterior Wall Insulation Boards
Why Choose Us
China's Largest HVAC Duct Board Factory | GB Duct, Established 1984
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 run 10 advanced automated production lines with a daily capacity of 30,000 sq.m, ensuring reliable quality and on-time delivery for large 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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