Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.
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
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
f.Exhaust and air intake pipes
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.