Q1.In what way are connected to you ?
A:You can contact us by email,whatsapp,wechat and phone which in the bottom.
Q2.I wonder if your filter is good ?
A:You can get the material,certificate and more info from us or take a sample to check .
Q3.How about your payment method of the sample ?
A:From Alibaba assurance order.
Q4.How to deliver the goods ?
A:According to the best choice ,express ,air or sea is ok .
Q5.Can you customize our own products?
A:Yes, we can. We are the manufacturer, and we can produce different kinds of air filters.
Q6.How about the service of the warrenty?
A:Normally , you need to change the filters every six month, but it also based on how to use and the environmental condition.