PLANNING AND DEVELOPMENT
We design all our products with CAD-CAM-SCANNER systems, through prototyping and assembly and operation simulations for each component and for each finished product, with performance tests performed in independent laboratories.
This is why we’re the logical choice to produce quality products for OEM contracts and leading automakers.

factory price
Fast Delivery
Strength factory
preferential price for large quantity

Hydac R Return Line Filter Elements

FILONG is not only deeply embedded in the auto filter supply chain, Especially in European car filters for more than 20 years experience filter business. Deep Collaboration and learning with numerous factories and substantial purchase orders enable us to secure the most reasonable prices for you and the premium products. Saving your time, labor and money costs.

FILONG customers to our company's products recognition, evaluation, satisfaction

Automotive filters play a crucial role in the performance and longevity of vehicles. 

We have strict quality control in every process according to IATF16949:2016 Quality Management. And will inspect your filters in every process, like dimension, appearance, and also performance test if needed. Long-term collaborations with industry giants underscore the reliability of our offerings.

Thank you for your comments on the quality of FILONG products and for advertising them extensively.