Smooth appearance, without zinc nodules or burrs, appearing silver white;

 Easy installation with few connection points;

 Low ventilation resistance and low ventilation noise;

Good strength and rigidity;

The thickness is controllable and can be freely selected within 5-107 μ m;

No hydrogen embrittlement, no temperature hazard, can ensure that the mechanical properties of the material remain unchanged;

Can replace some processes that require hot-dip galvanizing;

 Good corrosion resistance, neutral salt spray test for 240 hours;

Completed by hot-dip galvanizing method, suitable for various strong corrosive environments such as strong acid, alkali mist, etc;

We can design and customize various specifications of air ducts according to customer requirements.