1.certificated under ISO9001&TS16949 Quality system 
2.good stiffness and high air premeablity

 Watsun air filters remove particles of dust, dirt and soot from the intake air and thereby prevent accelerated engine wear and damage to sensitive electronic components.

The imported raw material insures the high performance and high quality.

The Concave and  Impress technics to support the filtration area and keep the even space between each folding.

These top-of-the-line products combine OE quality, precise fit and stability.

  large technical team and perfect testing equipment is the product quality assurance of Watsun.