Large capacity, good air permeability, low pressure loss, high filtration efficiency and other superior performance.
RETOP is one of the internationally renowned suppliers
of excellent filtration materials.
Many filter brands nominated us as their top filter materials choice.
Integration of R&D, production and sales
With more than 26,000 square metres of factories and 17 multi-functional production lines including needle punching, impregnation, spray adhesive laminating, ultrasonic laminating and melt spraying, with an annual output of more than 32 million square metres of all kinds of filtration nonwovens, making us one of the biggest manufacturers of automotive filter nonwovens in China.