1. High strength, low resistance, good sealing performance, beautiful appearance, simple installation and long service life; 2. The raw materials used are all galvanized steel; 3. The inner and outer walls are smooth, the air duct resistance is small, no secondary noise is generated when the air is sent out, the energy consumption is reduced, and saving running cost ; 4. Can be produced on site, can be cut, can be drilled, can be opened, simple to install, save labor and time, shorten the construction period; 5. No maintenance after the installation of the galvanized spiral duct is completed, reducing maintenance costs.
Additional Information
Payment Terms L/C
Port of Dispatchshanghai
Delivery Time7 days
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