Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: what's the material of your products?

1, National filter material:air paper /oil paper/fiber glass/stainless steel mesh/Stainless steel sintered,
2, Imported filter material: Fiber glass imported from HV company of USA.Oil paper imported from                 South Korea and ect.
3,End caps material: Carbon steel & stainless steel & Aluminum & Machined&Plastic.

Q: Do you have warranty?

A: Our warranty is 1 year.It means under the correct installation and normal using condition,if our goods meet any quality problem,we will re-produce for you again for free.

Q: Why we deserve your choose?

1,We are Alibaba Assessed 9 years Gold Supplier.
2,We are a professional filter manufacture from China,With over 15 years of experience
3,Our products are very durable,which saves you much time to repurchase  again.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 50% in advance. Payment>=1000USD, 30% T/T in advance ,balance before            shippment.