we are one of the largest filter manufacture in China since 1985,our products have been exporting to more than 60 countries worldwide,including USA ,Canada,UK,Australia,Japan ,Korea etc.we are proudly the first filter manufacture in china to have acquired the "Adopting International Standard Product Marking Certificate"also we have obtained ISO9001:2000 &ISO/TS16949:2000,so our filters quality is much guaranteed .we imported over 150 sets advanced automatic machines from Japan and Korea,our current monthly production exceeds 2 million for all kinds of filters.and we are still working hard towards becoming the best filter manufacturer in the world.