Yes, we are a factory with our own factory buildings and equipment.
Ventilation duct T20 T30 T40 Air duct flange strip, also known as plug-in flange strip, is mainly used as an interface accessory for ventilation ducts to provide stability.
TDC Duct Flange
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Product Name |
TDC flange strip plug-in flange strip for HVAC system Ventilation duct T20 T30 T40 Air duct flange strip |
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Application |
Ventilation Duct System |
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Material Quality |
Steels |
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Color |
Silver |
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Size |
20mm、30mm、40mm |
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Thickness |
0.7mm、0.9mm、1.0mm |
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Advantages |
Durable, corrosion-resistant, easy to install |
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Business Type |
Manufacturer |



Ventilation duct T20 T30 T40 Air duct flange strip, also known as plug-in flange strip, is mainly used as an interface accessory for ventilation ducts to provide stability.
1. Corrosion resistant and wear-resistant.
2. Easy to operate and convenient to install.
TDC flange strip plug-in flange strip for HVAC system Ventilation duct T20 T30 T40 Air duct flange strip Used for HVAC systems, smoke exhaust systems, industrial ventilation systems, etc.
1. Rich production experience, self owned factory and equipment, integrating research and development, production, sales, and service.
2. Strong productivity, supports customization, accepts ODM/OEM services, fast delivery time, and competitive prices.
3. Convenient geographical location, adjacent to Shanghai, Ningbo, and Yiwu, with convenient and fast sea and land transportation.
Ventilation duct T20 T30 T40 Air duct flange strip packaging:


Our products are exported to Southeast Asia, the Middle East, Africa, Europe, Australia and other countries and regions. We welcome domestic and foreign customers and friends to come and inspect cooperation! High quality service, consistent, worry free after-sales, customer first.
Our products are made of high-quality materials and undergo strict quality control to ensure their stability and durability. Before leaving the warehouse, there is a dedicated QC for inspection, and we strive to do better!