1,Guaranteed to be Compatible with OEM product
2,All products are guaranteed to be free from manufacturing defects and meet or exceed orignal specifications in terms of form and functionality. 

1.What's your service?
&Answer all your questions about the products patiently and technical advisory for any time
&All filter element will be tested before shipment
&Provide you newest goods transport conditions until you receive our products

2. What's your sample policy?
We can supply the sample if we have stock, but the customers have to pay the sample cost and the courier cost at first, and we will refund sample cost in your next order.

3.  What's the terms of payment?
T/T 30% as deposit, and 70% before delivery

4.Can I use my own logo on the products?
Yes,customize logo on the products are available