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Advantage:
1.Spiral duct costs less than traditional rectangular duct
2.Spiral duct reduces HVAC system noise and cuts air leakage
3.Spiral duct simplifies air flow measurement
Application:
a.Air conditioning (including high pressure and high velocity air distribution systems)
b.Ventilation (industrial & tunnel)
c.Warm air heating
d.Fume and dust extraction
e.Pneumatic conveying
f.Exhaust and air intake pipes
g.Humidification












Q: Can you produce customized goods ?
A: Yes, the size, diameter and length can be produced as per client's requirements.
Q: Can you print words on products as per client's requirement?
A: Yes, make label according to your exact requirement.
Q: Can you do business via Ali Online Transaction?
A: Yes, we can make the deal through AOT.
Q: What is your payment terms?
A: T/T, L/C at sight or Paypal.
Q: Do you accept OEM?
A: Yes, OEM or ODM are both OK.
Q: Where is your nearest loading port ?
A: Shanghai or Ningbo, China.
Q: How can you guarantee the quality or any warranty?
A: If any quality problems during use, all the products can be returned or according to customer's requests.

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